diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index 0e122e6a..4b84e784 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -28,6 +28,7 @@ if(browser.msie){
   if(parseInt(browser.version) >= 11){
     delete browser.msie;
     browser.chrome = true;
+    browser.modernIE = true;
   }
 }