diff --git a/pkg/cluster/cluster.go b/pkg/cluster/cluster.go
index d65cf3837..94399c874 100644
--- a/pkg/cluster/cluster.go
+++ b/pkg/cluster/cluster.go
@@ -490,7 +490,8 @@ func compareResoucesAssumeFirstNotNil(a *v1.ResourceRequirements, b *v1.Resource
 }
 
 // Update changes Kubernetes objects according to the new specification. Unlike the sync case, the missing object.
-// (i.e. service) is treated as an error.
+// (i.e. service) is treated as an error
+// logical backup cron jobs are an exception: they can be freely created/deleted by users
 func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
 	updateFailed := false
 
@@ -580,8 +581,7 @@ func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
 	// logical backup job
 	func() {
 
-		// special case: create if not existed before
-		// with all other k8s entities a missing object causes an error during update
+		// create if it did not exist
 		if newSpec.Spec.EnableLogicalBackup && !oldSpec.Spec.EnableLogicalBackup {
 			c.logger.Debugf("creating backup cron job")
 			if err := c.createLogicalBackupJob(); err != nil {
diff --git a/pkg/util/k8sutil/k8sutil.go b/pkg/util/k8sutil/k8sutil.go
index beb52acbc..9e9d5f518 100644
--- a/pkg/util/k8sutil/k8sutil.go
+++ b/pkg/util/k8sutil/k8sutil.go
@@ -8,7 +8,7 @@ import (
 	clientbatchv1beta1 "k8s.io/client-go/kubernetes/typed/batch/v1beta1"
 
 	"github.com/zalando/postgres-operator/pkg/util/constants"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	policybeta1 "k8s.io/api/policy/v1beta1"
 	apiextclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
 	apiextbeta1 "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1beta1"
@@ -147,6 +147,10 @@ func SamePDB(cur, new *policybeta1.PodDisruptionBudget) (match bool, reason stri
 	return
 }
 
+func getJobImage(cronJob *batchv1beta1.CronJob) string {
+	return cronJob.Spec.JobTemplate.Spec.Template.Spec.Containers[0].Image
+}
+
 // SameCronJob compares Specs of logical backup cron jobs
 func SameCronJob(cur, new *batchv1beta1.CronJob) (match bool, reason string) {
 
@@ -155,11 +159,11 @@ func SameCronJob(cur, new *batchv1beta1.CronJob) (match bool, reason string) {
 			new.Spec.Schedule, cur.Spec.Schedule)
 	}
 
-	newImage := new.Spec.JobTemplate.Spec.Template.Spec.Containers[0].Image
-	oldImage := cur.Spec.JobTemplate.Spec.Template.Spec.Containers[0].Image
-	if newImage != oldImage {
+	newImage := getJobImage(new)
+	curImage := getJobImage(cur)
+	if newImage != curImage {
 		return false, fmt.Sprintf("new job's image %q doesn't match the current one %q",
-			newImage, oldImage)
+			newImage, curImage)
 	}
 
 	return true, ""