diff --git a/pkg/cluster/k8sres.go b/pkg/cluster/k8sres.go
index d8ed0435d..2e1e25cb7 100644
--- a/pkg/cluster/k8sres.go
+++ b/pkg/cluster/k8sres.go
@@ -48,7 +48,7 @@ type spiloConfiguration struct {
 }
 
 func (c *Cluster) containerName() string {
-	return c.Name
+	return "postgres"
 }
 
 func (c *Cluster) statefulSetName() string {