diff --git a/app/views/submissions/show.html.haml b/app/views/submissions/show.html.haml
--- a/app/views/submissions/show.html.haml
+++ b/app/views/submissions/show.html.haml
@@ -66,7 +66,7 @@
         %tr
           %td.text-right
             %strong Points
-          %td #{@submission.points}/#{@submission.problem.full_score}
+          %td #{@submission.points}/#{@submission.try(:problem).try(:full_score)}
         %tr
           %td.text-right
             %strong Comment