diff --git a/designer-base/src/main/java/com/fr/design/gui/controlpane/UIListGroupControlPane.java b/designer-base/src/main/java/com/fr/design/gui/controlpane/UIListGroupControlPane.java
index e82cbac827..063491f884 100644
--- a/designer-base/src/main/java/com/fr/design/gui/controlpane/UIListGroupControlPane.java
+++ b/designer-base/src/main/java/com/fr/design/gui/controlpane/UIListGroupControlPane.java
@@ -122,11 +122,12 @@ public abstract class UIListGroupControlPane extends UIControlPane implements Li
 
     protected void populateNameObjects(Widget widget) {
         ArrayList<NameObject> nameObjectList = new ArrayList<>();
-        for (int i = 0, j = 0, size = widget.getListenerSize(); i < size; i++) {
+        for (int i = 0, size = widget.getListenerSize(); i < size; i++) {
             Listener listener = widget.getListener(i);
             if (!listener.isDefault()) {
-                nameObjectList.add(j, new NameObject(switchLang(listener.getEventName()) + (j + 1), listener));
-                j++;
+                String eventName = switchLang(listener.getEventName()) + (nameObjectList.size() + 1);
+                NameObject nameObject = new NameObject(eventName, listener);
+                nameObjectList.add(nameObject);
             }
         }
         populate(getHelper().processCatalog(nameObjectList));