diff --git a/chart/jenkins-operator/values.yaml b/chart/jenkins-operator/values.yaml
index 0aad7af4..360dfbc4 100644
--- a/chart/jenkins-operator/values.yaml
+++ b/chart/jenkins-operator/values.yaml
@@ -168,7 +168,7 @@ jenkins:
 
       # className is storageClassName for PVC
       # See https://kubernetes.io/docs/concepts/storage/persistent-volumes/#class-1 for more details
-      className: "-"
+      className: ""
 
     # env contains container environment variables
     # PVC backup provider handles these variables:
diff --git a/test/e2e/helm_test.go b/test/e2e/helm_test.go
index 9922154c..6637bdac 100644
--- a/test/e2e/helm_test.go
+++ b/test/e2e/helm_test.go
@@ -50,7 +50,7 @@ func TestDeployHelmChart(t *testing.T) {
 	}
 
 	cmd := exec.Command("helm", "upgrade", "jenkins", "./chart/jenkins-operator", "--namespace", namespace, "--debug",
-		"--set-string", fmt.Sprintf("jenkins.namespace=%s", namespace, "--install"))
+		"--set-string", fmt.Sprintf("jenkins.namespace=%s", namespace), "--install")
 	output, err := cmd.CombinedOutput()
 	require.NoError(t, err, string(output))
 
@@ -58,7 +58,7 @@ func TestDeployHelmChart(t *testing.T) {
 	waitForJenkinsUserConfigurationToComplete(t, jenkins)
 
 	cmd = exec.Command("helm", "upgrade", "jenkins", "./chart/jenkins-operator", "--namespace", namespace, "--debug",
-		"--set-string", fmt.Sprintf("jenkins.namespace=%s", namespace, "--install"))
+		"--set-string", fmt.Sprintf("jenkins.namespace=%s", namespace), "--install")
 	output, err = cmd.CombinedOutput()
 	require.NoError(t, err, string(output))