diff --git a/bundles/AdminBundle/Controller/Admin/DataObject/ClassificationstoreController.php b/bundles/AdminBundle/Controller/Admin/DataObject/ClassificationstoreController.php
index 1f536f3a9d7..c1605533730 100644
--- a/bundles/AdminBundle/Controller/Admin/DataObject/ClassificationstoreController.php
+++ b/bundles/AdminBundle/Controller/Admin/DataObject/ClassificationstoreController.php
@@ -1242,7 +1242,7 @@ public function propertiesGetAction(Request $request)
         }
 
         if ($storeId) {
-            $conditionParts[] = '(storeId = ' . $storeId . ')';
+            $conditionParts[] = '(storeId = '. $db->quote($storeId) . ')';
         }
 
         if ($request->get('filter')) {