diff --git a/src/views/blockly.html.twig b/src/views/blockly.html.twig
index e8af144c2..073006aea 100644
--- a/src/views/blockly.html.twig
+++ b/src/views/blockly.html.twig
@@ -200,6 +200,9 @@
      * Document Ready actions
      */
     $(document).ready(function(){
+        window.osBrowserIsSupported = function () {
+            return true;
+        };
         compilerflasher = new compilerflasher(getFiles);
 
         /**