diff --git a/app/assets/javascripts/app/lib/app_init/track.js.coffee b/app/assets/javascripts/app/lib/app_init/track.js.coffee
index 93b365e4d..fcad10c99 100644
--- a/app/assets/javascripts/app/lib/app_init/track.js.coffee
+++ b/app/assets/javascripts/app/lib/app_init/track.js.coffee
@@ -119,10 +119,11 @@ class _trackSingleton
     newDataNew = []
     for item in newData
       try
-        itemNew = _.clone( item )
+
+        # check if strigify is possibe, prevent ajax errors
         JSON.stringify(item)
 
-        newDataNew.push itemNew
+        newDataNew.push item
       catch e
         # nothing