diff --git a/test/shadow-dom.html b/test/shadow-dom.html
index cc0b3873..ef671a15 100644
--- a/test/shadow-dom.html
+++ b/test/shadow-dom.html
@@ -49,7 +49,8 @@
 				'}',
 				''
 			].join('\n'),
-			language: 'javascript'
+			language: 'javascript',
+			ariaContainerElement: innerContainer
 		});
 	});
 </script>