diff --git a/controllers/keda/kedacontroller_controller.go b/controllers/keda/kedacontroller_controller.go
index 2604454ba..52a015d1e 100644
--- a/controllers/keda/kedacontroller_controller.go
+++ b/controllers/keda/kedacontroller_controller.go
@@ -324,7 +324,7 @@ func sortMetricsResources(resources *[]unstructured.Unstructured) []unstructured
 
 func (r *KedaControllerReconciler) installSA(logger logr.Logger, instance *kedav1alpha1.KedaController) error {
 	logger.Info("Reconciling KEDA ServiceAccount")
-	transforms := []mf.Transformer{mf.InjectOwner(instance)}
+	transforms := []mf.Transformer{transform.InjectOwner(instance)}
 
 	if len(instance.Spec.ServiceAccount.Annotations) > 0 {
 		transforms = append(transforms, transform.AddServiceAccountAnnotations(instance.Spec.ServiceAccount.Annotations, r.Scheme))
@@ -352,7 +352,7 @@ func (r *KedaControllerReconciler) installSA(logger logr.Logger, instance *kedav
 func (r *KedaControllerReconciler) installController(ctx context.Context, logger logr.Logger, instance *kedav1alpha1.KedaController) error {
 	logger.Info("Reconciling KEDA Controller deployment")
 	transforms := []mf.Transformer{
-		mf.InjectOwner(instance),
+		transform.InjectOwner(instance),
 		transform.ReplaceWatchNamespace(instance.Spec.WatchNamespace, "keda-operator", r.Scheme, logger),
 	}
 
@@ -465,7 +465,7 @@ func (r *KedaControllerReconciler) installMetricsServer(ctx context.Context, log
 	logger.Info("Reconciling KEDA Metrics Server Deployment")
 
 	transforms := []mf.Transformer{
-		mf.InjectOwner(instance),
+		transform.InjectOwner(instance),
 	}
 
 	// Use alternate image spec if env var set
@@ -740,7 +740,7 @@ func (r *KedaControllerReconciler) ensureMetricsServerAuditLogPolicyConfigMap(ct
 func (r *KedaControllerReconciler) installAdmissionWebhooks(ctx context.Context, logger logr.Logger, instance *kedav1alpha1.KedaController) error {
 	logger.Info("Reconciling KEDA Admission Webhooks deployment")
 	transforms := []mf.Transformer{
-		mf.InjectOwner(instance),
+		transform.InjectOwner(instance),
 		transform.ReplaceWatchNamespace(instance.Spec.WatchNamespace, "keda-admission-webhooks", r.Scheme, logger),
 	}
 
diff --git a/controllers/keda/transform/transform.go b/controllers/keda/transform/transform.go
index 96b9a7efc..0bd3b45e7 100644
--- a/controllers/keda/transform/transform.go
+++ b/controllers/keda/transform/transform.go
@@ -1096,3 +1096,17 @@ func EnsureAuditLogMount(pvc string, path string, scheme *runtime.Scheme) mf.Tra
 		return nil
 	}
 }
+
+// InjectOwner creates a Transformer which adds an OwnerReference
+// pointing to `owner`, but only if the object is in the same namespace as `owner`
+func InjectOwner(owner mf.Owner) mf.Transformer {
+	f := mf.InjectOwner(owner) // This is just a wrapper around manifestival.InjectOwner
+	return func(u *unstructured.Unstructured) error {
+		// Since the controller is namespaced, it can only have namespace-scoped dependants in the same namespace
+		// https://kubernetes.io/docs/concepts/overview/working-with-objects/owners-dependents/
+		if u.GetNamespace() == owner.GetNamespace() {
+			return f(u)
+		}
+		return nil
+	}
+}