diff --git a/lib/zin/wg/modulemenu/v1.php b/lib/zin/wg/modulemenu/v1.php
index 7b662e3573..b4d148f8d3 100644
--- a/lib/zin/wg/modulemenu/v1.php
+++ b/lib/zin/wg/modulemenu/v1.php
@@ -95,7 +95,7 @@ class moduleMenu extends wg
 
             $items = $this->buildMenuTree($child->id);
             if($items) $item['items'] = $items;
-            if($child->id === $activeKey || $child->id === 'product-' . $activeKey)
+            if((string)$child->id === (string)$activeKey || $child->id === 'product-' . $activeKey)
             {
                 $itemKey = $this->prop('checkbox') ? 'checked' : 'selected';
                 $item[$itemKey] = true;