diff --git a/tks-cluster/remove-usercluster-wftpl.yaml b/tks-cluster/remove-usercluster-wftpl.yaml
index d800f4c..781da58 100644
--- a/tks-cluster/remove-usercluster-wftpl.yaml
+++ b/tks-cluster/remove-usercluster-wftpl.yaml
@@ -143,7 +143,8 @@ spec:
               appgroup="{{workflow.parameters.app_prefix}}-${appgroup}"
             fi
             echo "(after) appgroup: $appgroup"
-            app_list=$(./argocd app list -l ${appgroup} --output name)
+
+            app_list=$(./argocd app list -l app=${appgroup} --output name)
             echo -e "app list:\n $app_list"
             if [[ $? -eq 0 && -n $app_list ]]; then
               # Disable auto-sync