diff --git a/themes/red/assets/js/site.js b/themes/red/assets/js/site.js
index f502221..26f121d 100644
--- a/themes/red/assets/js/site.js
+++ b/themes/red/assets/js/site.js
@@ -1,9 +1,21 @@
 function checkWidth() {
-    if (!window.matchMedia('(max-device-width: 768px)').matches) {
-        document.getElementById("nav-menu").open = true;
+    let navmenu = document.getElementById("nav-menu");
+
+    // If the device somehow gains the stick sidebar, make sure it's open
+    if (window.matchMedia('(max-device-width: 768px)').matches) {
+        navmenu.open = true;
     }
 }
 
 window.onresize = function() {
     checkWidth();
 };
+
+checkWidth();
+
+let navmenu = document.getElementById("nav-menu");
+
+// Disable by default on mobile devices
+if (window.matchMedia('(max-device-width: 768px)').matches) {
+    navmenu.open = false;
+}