diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index d7d538739d..b595e2a8da 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -2706,6 +2706,7 @@ body.adding-widget .add-new-widget:before,
 }
 
 #available-menu-items-search .search-icon:after,
+#available-widgets-filter .search-icon:after,
 .themes-filter-bar .search-icon:after {
 	content: "\f179";
 	font: normal 20px/1 dashicons;