diff --git a/chrome/rebuild_userChrome.uc.js b/chrome/rebuild_userChrome.uc.js
index 86fb871..de23dec 100644
--- a/chrome/rebuild_userChrome.uc.js
+++ b/chrome/rebuild_userChrome.uc.js
@@ -383,7 +383,7 @@ UC.rebuild = {
       tooltiptext: 'userChromeJS Manager',
       type: 'menu',
       class: 'toolbarbutton-1 chromeclass-toolbar-additional',
-      style: '--menuitem-icon: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAABeSURBVDhPY6AKSCms+x+SkPMfREOFwACXOAYYNQBVITrGJQ7CUO0IA0jFUO0QA3BhkEJs4iAM1Y4bgBTBDIAKkQYGlwHYMFQZbgBSBDIAF4Yqww3QbUTHUGWUAAYGAEyi7ERKirMnAAAAAElFTkSuQmCC)',
+      image: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAABeSURBVDhPY6AKSCms+x+SkPMfREOFwACXOAYYNQBVITrGJQ7CUO0IA0jFUO0QA3BhkEJs4iAM1Y4bgBTBDIAKkQYGlwHYMFQZbgBSBDIAF4Yqww3QbUTHUGWUAAYGAEyi7ERKirMnAAAAAElFTkSuQmCC',
     });
 
     let mp = UC.rebuild.elBuilder(aDocument, 'menupopup', {