diff --git a/app/code/Magento/Widget/Model/ResourceModel/Layout/Update.php b/app/code/Magento/Widget/Model/ResourceModel/Layout/Update.php
index 6c0aef9e67186..971a7423f266a 100644
--- a/app/code/Magento/Widget/Model/ResourceModel/Layout/Update.php
+++ b/app/code/Magento/Widget/Model/ResourceModel/Layout/Update.php
@@ -84,9 +84,7 @@ public function fetchUpdatesByHandle(
      */
     protected function _getFetchUpdatesByHandleSelect($loadAllUpdates = false)
     {
-        //@todo Why it also loads layout updates for store_id=0, isn't it Admin Store View?
-        //If 0 means 'all stores' why it then refers by foreign key to Admin in `store` and not to something named
-        // 'All Stores'?
+        // When `store_id = 0`, it applies to "all stores," including the Admin Store View.
 
         $select = $this->getConnection()->select()->from(
             ['layout_update' => $this->getMainTable()],
@@ -96,7 +94,7 @@ protected function _getFetchUpdatesByHandleSelect($loadAllUpdates = false)
             'link.layout_update_id=layout_update.layout_update_id',
             ''
         )->where(
-            'link.store_id IN (0, :store_id)'
+            'link.store_id = 0 OR link.store_id = :store_id'
         )->where(
             'link.theme_id = :theme_id'
         )->order(