diff --git a/modules/glmv.js b/modules/glmv.js
index 0ddb348..56bd85b 100644
--- a/modules/glmv.js
+++ b/modules/glmv.js
@@ -8,7 +8,7 @@ let deleteHotspot = null
  */
 modelLoaded = function() {
     $('.awaiting-model').css('display', 'flex').removeClass('awaiting-model')
-    if (enableMenu !== undefined) {enableMenu()}
+    if (typeof enableMenu != 'undefined') {enableMenu()}
 }
 
 /**