diff --git a/pkg/cluster/k8sres.go b/pkg/cluster/k8sres.go
index 2cd956950..35d67463f 100644
--- a/pkg/cluster/k8sres.go
+++ b/pkg/cluster/k8sres.go
@@ -361,6 +361,7 @@ func (c *Cluster) generatePodTemplate(
 	if c.OpConfig.WALES3Bucket != "" {
 		envVars = append(envVars, v1.EnvVar{Name: "WAL_S3_BUCKET", Value: c.OpConfig.WALES3Bucket})
 		envVars = append(envVars, v1.EnvVar{Name: "WAL_BUCKET_SCOPE_SUFFIX", Value: getWALBucketScopeSuffix(string(uid))})
+		envVars = append(envVars, v1.EnvVar{Name: "WAL_BUCKET_SCOPE_PREFIX", Value: ""})
 	}
 
 	if c.patroniUsesKubernetes() {