diff --git a/static/js/script.js b/static/js/script.js
index b82406a..1a1f8fa 100644
--- a/static/js/script.js
+++ b/static/js/script.js
@@ -14,7 +14,7 @@
   if (window.matchMedia && $.isFunction($.fn.slicknav)) {
     var mq = window.matchMedia('(max-width: 666px)');
     if (mq.matches) {
-      $('.main-menu').hide().find('.navbar').filter(':first').slicknav();
+      $('.main-menu').addClass('hidden').find('.navbar').filter(':first').slicknav();
     }
   }