diff --git a/htdocs/js/common/35-theme-switcher.js b/htdocs/js/common/35-theme-switcher.js
index c4fd69f..4f4f78e 100644
--- a/htdocs/js/common/35-theme-switcher.js
+++ b/htdocs/js/common/35-theme-switcher.js
@@ -142,6 +142,11 @@ var ThemeSwitcher = (function() {
 
     return {
         init: function() {
+            if (!ge('switch-theme')) {
+                logger.local('init').warn('switch-theme element not found');
+                return;
+            }
+
             var cur = getSavedMode();
             currentModeIndex = modes.indexOf(cur);