diff --git a/pkg/cluster/controllers/database/update.go b/pkg/cluster/controllers/database/update.go
index 8a5ac428b..63e89252b 100644
--- a/pkg/cluster/controllers/database/update.go
+++ b/pkg/cluster/controllers/database/update.go
@@ -35,7 +35,9 @@ func (p *PostgreSQLController) Update(ctx context.Context, harborcluster *goharb
 		FromUnstructured(expectUnstructuredCR.UnstructuredContent(), &expectCR); err != nil {
 		return databaseNotReadyStatus(DefaultUnstructuredConverterError, err.Error()), err
 	}
-
+	
+	expectCR.SetOwnerReferences(actualCR.GetOwnerReferences())
+	
 	if !common.Equals(ctx, p.Scheme, harborcluster, &actualCR) {
 		p.Log.Info(
 			"Update Database resource",