diff --git a/core/modules/editor/js/editor.js b/core/modules/editor/js/editor.js
index 96e0576..8b3c883 100644
--- a/core/modules/editor/js/editor.js
+++ b/core/modules/editor/js/editor.js
@@ -18,7 +18,7 @@
    */
   function findFieldForFormatSelector($formatSelector, context) {
     var field_id = $formatSelector.attr('data-editor-for');
-    return $('#' + field_id, context).get(0);
+    return $(context).find('#' + field_id).get(0);
   }
 
   /**