diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index 540b809b..97b0561b 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -384,4 +384,4 @@ DisplaySearch.onKeyDownIgnoreKeys = {
     'Shift': []
 };
 
-window.yomichan_search = DisplaySearch.create();
+DisplaySearch.instance = DisplaySearch.create();