diff --git a/Extension/lib/content-script/assistant/js/adguard-selector.js b/Extension/lib/content-script/assistant/js/adguard-selector.js
index b4eeb20369..317243aef6 100644
--- a/Extension/lib/content-script/assistant/js/adguard-selector.js
+++ b/Extension/lib/content-script/assistant/js/adguard-selector.js
@@ -387,6 +387,7 @@ var AdguardSelectorLib = (function (api, $) {
 
     var sgMousedownHandler = function (e) {
         e.preventDefault();
+        e.stopImmediatePropagation();
 
         if (unbound) {
             return true;