diff --git a/app/views/git/blobs/_show.html.haml b/app/views/git/blobs/_show.html.haml
index cb3363e7c..ca1b3d31a 100644
--- a/app/views/git/blobs/_show.html.haml
+++ b/app/views/git/blobs/_show.html.haml
@@ -51,6 +51,6 @@
               <br/>
 :javascript
   $(document).ready(function() {
-    //CodeMirror.runMode(document.getElementById("code").innerHTML, "#{@blob.mime_type}",
-    //                   document.getElementById("output"));
+    CodeMirror.runMode(document.getElementById("code").innerHTML, "#{@blob.mime_type}",
+                       document.getElementById("output"));
   });