diff --git a/common/lib/xmodule/xmodule/js/src/capa/display.coffee b/common/lib/xmodule/xmodule/js/src/capa/display.coffee
index 932df2fda9..441d8b7634 100644
--- a/common/lib/xmodule/xmodule/js/src/capa/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/capa/display.coffee
@@ -209,8 +209,9 @@ class @Problem
     fd.append('feedback', feedback)
     fd.append('submission_id', submission_id)
     fd.append('grader_id', grader_id)
-    if(score && parseInt(score) != NaN)
-      fd.append('score', parseInt(score))
+    if(!score || parseInt(score) == NaN)
+      @gentle_alert "You need to pick a rating to submit."
+      return 
 
 
     settings =