diff --git a/controllers/runnerdeployment_controller.go b/controllers/runnerdeployment_controller.go
index 19654353..04bf289f 100644
--- a/controllers/runnerdeployment_controller.go
+++ b/controllers/runnerdeployment_controller.go
@@ -218,7 +218,7 @@ func (r *RunnerDeploymentReconciler) newRunnerReplicaSet(rd v1alpha1.RunnerDeplo
 	rs := v1alpha1.RunnerReplicaSet{
 		TypeMeta: metav1.TypeMeta{},
 		ObjectMeta: metav1.ObjectMeta{
-			GenerateName: rd.ObjectMeta.Name,
+			GenerateName: rd.ObjectMeta.Name + "-",
 			Namespace:    rd.ObjectMeta.Namespace,
 			Labels:       labels,
 		},
diff --git a/controllers/runnerreplicaset_controller.go b/controllers/runnerreplicaset_controller.go
index fa92172c..4fa2e4c8 100644
--- a/controllers/runnerreplicaset_controller.go
+++ b/controllers/runnerreplicaset_controller.go
@@ -141,7 +141,7 @@ func (r *RunnerReplicaSetReconciler) Reconcile(req ctrl.Request) (ctrl.Result, e
 func (r *RunnerReplicaSetReconciler) newRunner(rs v1alpha1.RunnerReplicaSet) (v1alpha1.Runner, error) {
 	objectMeta := rs.Spec.Template.ObjectMeta.DeepCopy()
 
-	objectMeta.GenerateName = rs.ObjectMeta.Name
+	objectMeta.GenerateName = rs.ObjectMeta.Name + "-"
 	objectMeta.Namespace = rs.ObjectMeta.Namespace
 
 	runner := v1alpha1.Runner{