diff --git a/api/v1alpha1/clusterstack_webhook.go b/api/v1alpha1/clusterstack_webhook.go
index d7b624604..bb9ecbb37 100644
--- a/api/v1alpha1/clusterstack_webhook.go
+++ b/api/v1alpha1/clusterstack_webhook.go
@@ -181,7 +181,10 @@ func (r *ClusterStackWebhook) getClustersUsingClusterStack(ctx context.Context,
 		if err != nil {
 			continue
 		}
-		if clusterStack.Spec.Provider == cs.Provider && clusterStack.Spec.Name == cs.Name && clusterStack.Spec.KubernetesVersion == cs.KubernetesVersion.StringWithDot() {
+		if clusterStack.Spec.Provider == cs.Provider &&
+			clusterStack.Spec.Channel == cs.Version.Channel &&
+			clusterStack.Spec.Name == cs.Name &&
+			clusterStack.Spec.KubernetesVersion == cs.KubernetesVersion.StringWithDot() {
 			clusters = append(clusters, clusterList.Items[i].Name)
 		}
 	}