diff --git a/pkg/app/app_test.go b/pkg/app/app_test.go
index ab157567..54d05b9c 100644
--- a/pkg/app/app_test.go
+++ b/pkg/app/app_test.go
@@ -2513,10 +2513,10 @@ func (helm *mockHelmExec) UpdateRepo() error {
 func (helm *mockHelmExec) RegistryLogin(name, username, password, caFile, certFile, keyFile string, skipTLSVerify bool) error {
 	return nil
 }
-func (helm *mockHelmExec) SyncRelease(context helmexec.HelmContext, name, chart string, flags ...string) error {
+func (helm *mockHelmExec) SyncRelease(context helmexec.HelmContext, name, chart, namespace string, flags ...string) error {
 	return nil
 }
-func (helm *mockHelmExec) DiffRelease(context helmexec.HelmContext, name, chart string, suppressDiff bool, flags ...string) error {
+func (helm *mockHelmExec) DiffRelease(context helmexec.HelmContext, name, chart, namespace string, suppressDiff bool, flags ...string) error {
 	return nil
 }
 func (helm *mockHelmExec) ReleaseStatus(context helmexec.HelmContext, release string, flags ...string) error {
diff --git a/pkg/exectest/helm.go b/pkg/exectest/helm.go
index 8dec332c..a805c9ce 100644
--- a/pkg/exectest/helm.go
+++ b/pkg/exectest/helm.go
@@ -104,7 +104,7 @@ func (helm *Helm) UpdateRepo() error {
 func (helm *Helm) RegistryLogin(name, username, password, caFile, certFile, keyFile string, skipTLSVerify bool) error {
 	return nil
 }
-func (helm *Helm) SyncRelease(context helmexec.HelmContext, name, chart string, flags ...string) error {
+func (helm *Helm) SyncRelease(context helmexec.HelmContext, name, chart, namespace string, flags ...string) error {
 	if strings.Contains(name, "error") {
 		return errors.New("error")
 	}
@@ -117,7 +117,7 @@ func (helm *Helm) SyncRelease(context helmexec.HelmContext, name, chart string,
 
 	return nil
 }
-func (helm *Helm) DiffRelease(context helmexec.HelmContext, name, chart string, suppressDiff bool, flags ...string) error {
+func (helm *Helm) DiffRelease(context helmexec.HelmContext, name, chart, namespace string, suppressDiff bool, flags ...string) error {
 	if helm.DiffMutex != nil {
 		helm.DiffMutex.Lock()
 	}
diff --git a/pkg/helmexec/exec.go b/pkg/helmexec/exec.go
index ee88246b..aeb80cc3 100644
--- a/pkg/helmexec/exec.go
+++ b/pkg/helmexec/exec.go
@@ -271,8 +271,8 @@ func (helm *execer) UpdateDeps(chart string) error {
 	return err
 }
 
-func (helm *execer) SyncRelease(context HelmContext, name, chart string, flags ...string) error {
-	helm.logger.Infof("Upgrading release=%v, chart=%v", name, redactedURL(chart))
+func (helm *execer) SyncRelease(context HelmContext, name, chart, namespace string, flags ...string) error {
+	helm.logger.Infof("Upgrading release=%v, chart=%v, namespace=%v", name, redactedURL(chart), namespace)
 	preArgs := make([]string, 0)
 	env := make(map[string]string)
 
@@ -450,11 +450,12 @@ func (helm *execer) TemplateRelease(name string, chart string, flags ...string)
 	return err
 }
 
-func (helm *execer) DiffRelease(context HelmContext, name, chart string, suppressDiff bool, flags ...string) error {
+func (helm *execer) DiffRelease(context HelmContext, name, chart, namespace string, suppressDiff bool, flags ...string) error {
+	diffMsg := fmt.Sprintf("Comparing release=%v, chart=%v, namespace=%v\n", name, redactedURL(chart), namespace)
 	if context.Writer != nil && !suppressDiff {
-		fmt.Fprintf(context.Writer, "Comparing release=%v, chart=%v\n", name, redactedURL(chart))
+		fmt.Fprint(context.Writer, diffMsg)
 	} else {
-		helm.logger.Infof("Comparing release=%v, chart=%v", name, redactedURL(chart))
+		helm.logger.Info(diffMsg)
 	}
 	preArgs := make([]string, 0)
 	env := make(map[string]string)
diff --git a/pkg/helmexec/exec_test.go b/pkg/helmexec/exec_test.go
index b4ffb2f1..31bcff91 100644
--- a/pkg/helmexec/exec_test.go
+++ b/pkg/helmexec/exec_test.go
@@ -327,8 +327,8 @@ func Test_SyncRelease(t *testing.T) {
 	var buffer bytes.Buffer
 	logger := NewLogger(&buffer, "debug")
 	helm := MockExecer(logger, "config", "dev")
-	err := helm.SyncRelease(HelmContext{}, "release", "chart", "--timeout 10", "--wait", "--wait-for-jobs")
-	expected := `Upgrading release=release, chart=chart
+	err := helm.SyncRelease(HelmContext{}, "release", "chart", "default", "--timeout 10", "--wait", "--wait-for-jobs")
+	expected := `Upgrading release=release, chart=chart, namespace=default
 exec: helm --kubeconfig config --kube-context dev upgrade --install release chart --timeout 10 --wait --wait-for-jobs --history-max 0
 `
 	if err != nil {
@@ -339,8 +339,8 @@ exec: helm --kubeconfig config --kube-context dev upgrade --install release char
 	}
 
 	buffer.Reset()
-	err = helm.SyncRelease(HelmContext{}, "release", "chart")
-	expected = `Upgrading release=release, chart=chart
+	err = helm.SyncRelease(HelmContext{}, "release", "chart", "default")
+	expected = `Upgrading release=release, chart=chart, namespace=default
 exec: helm --kubeconfig config --kube-context dev upgrade --install release chart --history-max 0
 `
 	if err != nil {
@@ -351,8 +351,8 @@ exec: helm --kubeconfig config --kube-context dev upgrade --install release char
 	}
 
 	buffer.Reset()
-	err = helm.SyncRelease(HelmContext{}, "release", "https://example_user:example_password@repo.example.com/chart.tgz")
-	expected = `Upgrading release=release, chart=https://example_user:xxxxx@repo.example.com/chart.tgz
+	err = helm.SyncRelease(HelmContext{}, "release", "https://example_user:example_password@repo.example.com/chart.tgz", "default")
+	expected = `Upgrading release=release, chart=https://example_user:xxxxx@repo.example.com/chart.tgz, namespace=default
 exec: helm --kubeconfig config --kube-context dev upgrade --install release https://example_user:example_password@repo.example.com/chart.tgz --history-max 0
 `
 	if err != nil {
@@ -547,8 +547,9 @@ func Test_DiffRelease(t *testing.T) {
 	var buffer bytes.Buffer
 	logger := NewLogger(&buffer, "debug")
 	helm := MockExecer(logger, "config", "dev")
-	err := helm.DiffRelease(HelmContext{}, "release", "chart", false, "--timeout 10", "--wait", "--wait-for-jobs")
-	expected := `Comparing release=release, chart=chart
+	err := helm.DiffRelease(HelmContext{}, "release", "chart", "default", false, "--timeout 10", "--wait", "--wait-for-jobs")
+	expected := `Comparing release=release, chart=chart, namespace=default
+
 exec: helm --kubeconfig config --kube-context dev diff upgrade --allow-unreleased release chart --timeout 10 --wait --wait-for-jobs
 `
 	if err != nil {
@@ -559,8 +560,9 @@ exec: helm --kubeconfig config --kube-context dev diff upgrade --allow-unrelease
 	}
 
 	buffer.Reset()
-	err = helm.DiffRelease(HelmContext{}, "release", "chart", false)
-	expected = `Comparing release=release, chart=chart
+	err = helm.DiffRelease(HelmContext{}, "release", "chart", "default", false)
+	expected = `Comparing release=release, chart=chart, namespace=default
+
 exec: helm --kubeconfig config --kube-context dev diff upgrade --allow-unreleased release chart
 `
 	if err != nil {
@@ -571,8 +573,9 @@ exec: helm --kubeconfig config --kube-context dev diff upgrade --allow-unrelease
 	}
 
 	buffer.Reset()
-	err = helm.DiffRelease(HelmContext{}, "release", "https://example_user:example_password@repo.example.com/chart.tgz", false)
-	expected = `Comparing release=release, chart=https://example_user:xxxxx@repo.example.com/chart.tgz
+	err = helm.DiffRelease(HelmContext{}, "release", "https://example_user:example_password@repo.example.com/chart.tgz", "default", false)
+	expected = `Comparing release=release, chart=https://example_user:xxxxx@repo.example.com/chart.tgz, namespace=default
+
 exec: helm --kubeconfig config --kube-context dev diff upgrade --allow-unreleased release https://example_user:example_password@repo.example.com/chart.tgz
 `
 	if err != nil {
diff --git a/pkg/helmexec/helmexec.go b/pkg/helmexec/helmexec.go
index dcd66902..62cc2aa1 100644
--- a/pkg/helmexec/helmexec.go
+++ b/pkg/helmexec/helmexec.go
@@ -21,8 +21,8 @@ type Interface interface {
 	RegistryLogin(name, username, password, caFile, certFile, keyFile string, skipTLSVerify bool) error
 	BuildDeps(name, chart string, flags ...string) error
 	UpdateDeps(chart string) error
-	SyncRelease(context HelmContext, name, chart string, flags ...string) error
-	DiffRelease(context HelmContext, name, chart string, suppressDiff bool, flags ...string) error
+	SyncRelease(context HelmContext, name, chart, namespace string, flags ...string) error
+	DiffRelease(context HelmContext, name, chart, namespace string, suppressDiff bool, flags ...string) error
 	TemplateRelease(name, chart string, flags ...string) error
 	Fetch(chart string, flags ...string) error
 	ChartPull(chart string, path string, flags ...string) error
diff --git a/pkg/state/state.go b/pkg/state/state.go
index 40895d0a..9c8d2b90 100644
--- a/pkg/state/state.go
+++ b/pkg/state/state.go
@@ -972,7 +972,7 @@ func (st *HelmState) SyncReleases(affectedReleases *AffectedReleases, helm helme
 						}
 						m.Unlock()
 					}
-				} else if err := helm.SyncRelease(context, release.Name, chart, flags...); err != nil {
+				} else if err := helm.SyncRelease(context, release.Name, chart, release.Namespace, flags...); err != nil {
 					m.Lock()
 					affectedReleases.Failed = append(affectedReleases.Failed, release)
 					m.Unlock()
@@ -2036,7 +2036,7 @@ func (st *HelmState) DiffReleases(helm helmexec.Interface, additionalValues []st
 
 				if prep.upgradeDueToSkippedDiff {
 					results <- diffResult{release, &ReleaseError{ReleaseSpec: release, err: nil, Code: HelmDiffExitCodeChanged}, buf}
-				} else if err := helm.DiffRelease(st.createHelmContextWithWriter(release, buf), release.Name, normalizeChart(st.basePath, release.ChartPathOrName()), releaseSuppressDiff, flags...); err != nil {
+				} else if err := helm.DiffRelease(st.createHelmContextWithWriter(release, buf), release.Name, normalizeChart(st.basePath, release.ChartPathOrName()), release.Namespace, releaseSuppressDiff, flags...); err != nil {
 					switch e := err.(type) {
 					case helmexec.ExitError:
 						// Propagate any non-zero exit status from the external command like `helm` that is failed under the hood
diff --git a/pkg/testutil/mocks.go b/pkg/testutil/mocks.go
index dd796175..507dd8d4 100644
--- a/pkg/testutil/mocks.go
+++ b/pkg/testutil/mocks.go
@@ -89,11 +89,11 @@ func (helm *noCallHelmExec) RegistryLogin(name, username, password, caFile, cert
 	helm.doPanic()
 	return nil
 }
-func (helm *noCallHelmExec) SyncRelease(context helmexec.HelmContext, name, chart string, flags ...string) error {
+func (helm *noCallHelmExec) SyncRelease(context helmexec.HelmContext, name, chart, namespace string, flags ...string) error {
 	helm.doPanic()
 	return nil
 }
-func (helm *noCallHelmExec) DiffRelease(context helmexec.HelmContext, name, chart string, suppressDiff bool, flags ...string) error {
+func (helm *noCallHelmExec) DiffRelease(context helmexec.HelmContext, name, chart, namespace string, suppressDiff bool, flags ...string) error {
 	helm.doPanic()
 	return nil
 }
diff --git a/test/integration/test-cases/chart-needs/output/diff b/test/integration/test-cases/chart-needs/output/diff
index fcf787ac..eee980cf 100644
--- a/test/integration/test-cases/chart-needs/output/diff
+++ b/test/integration/test-cases/chart-needs/output/diff
@@ -19,7 +19,7 @@ helmfile-tests, managed-csi, StorageClass (storage.k8s.io) has been added:
 + volumeBindingMode: Immediate
 + allowVolumeExpansion: true
 
-Comparing release=azuredisk-csi-driver, chart=azuredisk-csi-driver/azuredisk-csi-driver
+Comparing release=azuredisk-csi-driver, chart=azuredisk-csi-driver/azuredisk-csi-driver, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
diff --git a/test/integration/test-cases/chart-needs/output/diff-live b/test/integration/test-cases/chart-needs/output/diff-live
index edce0ab6..17a91c52 100644
--- a/test/integration/test-cases/chart-needs/output/diff-live
+++ b/test/integration/test-cases/chart-needs/output/diff-live
@@ -958,4 +958,4 @@ helmfile-tests, disk.csi.azure.com, CSIDriver (storage.k8s.io) has been added:
 +   attachRequired: true
 +   podInfoOnMount: false
 +   fsGroupPolicy: File
-Comparing release=azuredisk-csi-driver, chart=azuredisk-csi-driver/azuredisk-csi-driver
+Comparing release=azuredisk-csi-driver, chart=azuredisk-csi-driver/azuredisk-csi-driver, namespace=helmfile-tests
diff --git a/test/integration/test-cases/diff-args/output/apply b/test/integration/test-cases/diff-args/output/apply
index 8c296ce4..ad082025 100644
--- a/test/integration/test-cases/diff-args/output/apply
+++ b/test/integration/test-cases/diff-args/output/apply
@@ -1,4 +1,4 @@
-Comparing release=installed, chart=../../../charts/httpbin
+Comparing release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
diff --git a/test/integration/test-cases/diff-args/output/apply-live b/test/integration/test-cases/diff-args/output/apply-live
index 97d0ca93..14e1c5c4 100644
--- a/test/integration/test-cases/diff-args/output/apply-live
+++ b/test/integration/test-cases/diff-args/output/apply-live
@@ -67,7 +67,7 @@ helmfile-tests, installed-httpbin, Service (v1) has been added:
 +   type: LoadBalancer
 Error: identified at least one change, exiting with non-zero exit code (detailed-exitcode parameter enabled)
 Error: plugin "diff" exited with error
-Comparing release=installed, chart=../../../charts/httpbin
+Comparing release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
 Release "installed" does not exist. Installing it now.
 NAME: installed
 NAMESPACE: helmfile-tests
diff --git a/test/integration/test-cases/diff-args/output/apply-live-stderr b/test/integration/test-cases/diff-args/output/apply-live-stderr
index 11fc5d65..7f789424 100644
--- a/test/integration/test-cases/diff-args/output/apply-live-stderr
+++ b/test/integration/test-cases/diff-args/output/apply-live-stderr
@@ -1,7 +1,7 @@
 Live output is enabled
 Building dependency release=installed, chart=../../../charts/httpbin
 Listing releases matching ^uninstalled$
-Upgrading release=installed, chart=../../../charts/httpbin
+Upgrading release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
 Listing releases matching ^installed$
 
 
diff --git a/test/integration/test-cases/diff-args/output/apply-stderr b/test/integration/test-cases/diff-args/output/apply-stderr
index c770713a..6a5025e3 100644
--- a/test/integration/test-cases/diff-args/output/apply-stderr
+++ b/test/integration/test-cases/diff-args/output/apply-stderr
@@ -1,6 +1,6 @@
 Building dependency release=installed, chart=../../../charts/httpbin
 Listing releases matching ^uninstalled$
-Upgrading release=installed, chart=../../../charts/httpbin
+Upgrading release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
 Release "installed" does not exist. Installing it now.
 NAME: installed
 NAMESPACE: helmfile-tests
diff --git a/test/integration/test-cases/diff-args/output/diff b/test/integration/test-cases/diff-args/output/diff
index 8c296ce4..ad082025 100644
--- a/test/integration/test-cases/diff-args/output/diff
+++ b/test/integration/test-cases/diff-args/output/diff
@@ -1,4 +1,4 @@
-Comparing release=installed, chart=../../../charts/httpbin
+Comparing release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
diff --git a/test/integration/test-cases/diff-args/output/diff-live b/test/integration/test-cases/diff-args/output/diff-live
index 3922f515..9e029b1a 100644
--- a/test/integration/test-cases/diff-args/output/diff-live
+++ b/test/integration/test-cases/diff-args/output/diff-live
@@ -65,4 +65,4 @@ helmfile-tests, installed-httpbin, Service (v1) has been added:
 +     app: httpbin
 +     release: installed
 +   type: LoadBalancer
-Comparing release=installed, chart=../../../charts/httpbin
+Comparing release=installed, chart=../../../charts/httpbin, namespace=helmfile-tests
diff --git a/test/integration/test-cases/postrender/output/diff-result b/test/integration/test-cases/postrender/output/diff-result
index 016af72c..590434ba 100644
--- a/test/integration/test-cases/postrender/output/diff-result
+++ b/test/integration/test-cases/postrender/output/diff-result
@@ -1,6 +1,6 @@
 Building dependency release=foo, chart=../../../charts/raw
 Building dependency release=baz, chart=../../../charts/raw
-Comparing release=foo, chart=../../../charts/raw
+Comparing release=foo, chart=../../../charts/raw, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
@@ -25,7 +25,7 @@ helmfile-tests, foo-1, ConfigMap (v1) has been added:
 + data:
 +   foo: FOO
 
-Comparing release=baz, chart=../../../charts/raw
+Comparing release=baz, chart=../../../charts/raw, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
diff --git a/test/integration/test-cases/postrender/output/diff-result-live b/test/integration/test-cases/postrender/output/diff-result-live
index f968a384..c3997cd9 100644
--- a/test/integration/test-cases/postrender/output/diff-result-live
+++ b/test/integration/test-cases/postrender/output/diff-result-live
@@ -47,5 +47,5 @@ helmfile-tests, cm1, ConfigMap (v1) has been added:
 +   name: cm1 
 + metadata:
 +   name: cm1
-Comparing release=foo, chart=../../../charts/raw
-Comparing release=baz, chart=../../../charts/raw
+Comparing release=foo, chart=../../../charts/raw, namespace=helmfile-tests
+Comparing release=baz, chart=../../../charts/raw, namespace=helmfile-tests
diff --git a/test/integration/test-cases/skip-diff-output/output/diff-result b/test/integration/test-cases/skip-diff-output/output/diff-result
index 202978a2..e245ea80 100644
--- a/test/integration/test-cases/skip-diff-output/output/diff-result
+++ b/test/integration/test-cases/skip-diff-output/output/diff-result
@@ -1,4 +1,4 @@
-Comparing release=baz, chart=../../../charts/raw
+Comparing release=baz, chart=../../../charts/raw, namespace=helmfile-tests
 ********************
 
 	Release was not present in Helm.  Diff will show entire contents as new.
diff --git a/test/integration/test-cases/skip-diff-output/output/diff-result-live b/test/integration/test-cases/skip-diff-output/output/diff-result-live
index b7c7a942..1497e030 100644
--- a/test/integration/test-cases/skip-diff-output/output/diff-result-live
+++ b/test/integration/test-cases/skip-diff-output/output/diff-result-live
@@ -13,4 +13,4 @@ helmfile-tests, baz-2, ConfigMap (v1) has been added:
 +   namespace: helmfile-tests
 + data:
 +   baz: BAZ
-Comparing release=baz, chart=../../../charts/raw
+Comparing release=baz, chart=../../../charts/raw, namespace=helmfile-tests
diff --git a/test/integration/test-cases/suppress-output-line-regex/output/diff b/test/integration/test-cases/suppress-output-line-regex/output/diff
index a9cdfdb6..944faa16 100644
--- a/test/integration/test-cases/suppress-output-line-regex/output/diff
+++ b/test/integration/test-cases/suppress-output-line-regex/output/diff
@@ -1,4 +1,4 @@
-Comparing release=ingress-nginx, chart=ingress-nginx/ingress-nginx
+Comparing release=ingress-nginx, chart=ingress-nginx/ingress-nginx, namespace=helmfile-tests
 helmfile-tests, ingress-nginx, ClusterRole (rbac.authorization.k8s.io) has changed:
 helmfile-tests, ingress-nginx, ClusterRoleBinding (rbac.authorization.k8s.io) has changed:
   # Source: ingress-nginx/templates/clusterrolebinding.yaml
diff --git a/test/integration/test-cases/suppress-output-line-regex/output/diff-live b/test/integration/test-cases/suppress-output-line-regex/output/diff-live
index d072ee39..ea8640e1 100644
--- a/test/integration/test-cases/suppress-output-line-regex/output/diff-live
+++ b/test/integration/test-cases/suppress-output-line-regex/output/diff-live
@@ -527,4 +527,4 @@ helmfile-tests, ingress-nginx-admission, NetworkPolicy (networking.k8s.io) has b
 -   egress:
 -     - {}
 + 
-Comparing release=ingress-nginx, chart=ingress-nginx/ingress-nginx
+Comparing release=ingress-nginx, chart=ingress-nginx/ingress-nginx, namespace=helmfile-tests