diff --git a/src/scripts/index.js b/src/scripts/index.js
index acbaa41..9bd9d14 100644
--- a/src/scripts/index.js
+++ b/src/scripts/index.js
@@ -316,15 +316,21 @@ document.addEventListener("DOMContentLoaded", function(event) {
 
   //- Fix badges performances
   // on load time
-  document.getElementById('notifications-list').addEventListener('populate', (event) => {
-    const checkExist = setInterval(function () { // wait for left menus to exist
-      const subMenus = document.querySelectorAll('.sub-menu > sib-display > div');
-      if (subMenus.length >= 2) {
-        updateBadges(event.target);
-        clearInterval(checkExist);
-      }
-    }, 500);
-  }, { once: true });
+  const checkNotificationMenuExist = setInterval(function () { // wait for notification menu to exist
+    const notifsMenu = document.getElementById('notifications-list');
+    if (notifsMenu) {
+      clearInterval(checkNotificationMenuExist);
+      notifsMenu.addEventListener('populate', (event) => {
+        const checkExist = setInterval(function () { // wait for left menus to exist
+          const subMenus = document.querySelectorAll('.sub-menu > sib-display > div');
+          if (subMenus.length >= 2) {
+            updateBadges(event.target);
+            clearInterval(checkExist);
+          }
+        }, 500);
+      }, { once: true });
+    }
+  }, 500);
 
   // on refresh notification list
   window.addEventListener('notificationsRefresh', () => {