diff --git a/wp-content/themes/restly-child/assets/js/custom.js b/wp-content/themes/restly-child/assets/js/custom.js
index 0fdd1acc..a30cfba5 100644
--- a/wp-content/themes/restly-child/assets/js/custom.js
+++ b/wp-content/themes/restly-child/assets/js/custom.js
@@ -39,13 +39,17 @@ jQuery(function($) {
 })
 
 jQuery(function($) {
-  $(window).scroll(function() {
-    if ($(this).scrollTop() >= 100) {
+  function checkScroll() {
+    if ($(window).scrollTop() >= 100) {
       $('header#masthead').addClass('fixed');
     } else {
       $('header#masthead').removeClass('fixed');
     }
-  });
+  }
+
+  $(window).scroll(checkScroll);
+
+  checkScroll();
 });
 
 jQuery(document).ready(function ($) {