1 files changed, 7 insertions, 0 deletions
diff --git a/app/models/commit_status.rb b/app/models/commit_status.rb
index b6276c2fb50..97d89422594 100644
--- a/app/models/commit_status.rb
+++ b/app/models/commit_status.rb
@@ -189,4 +189,11 @@ class CommitStatus < ActiveRecord::Base
       v =~ /\d+/ ? v.to_i : v
     end
   end
+
+  # Rails 5.0 autogenerated question mark enum methods return wrong result if enum value is nil.
+  # They always return `false`.
+  # This method overwrites the autogenerated one to return correct result.
+  def unknown_failure?
+    Gitlab.rails5? ? failure_reason.nil? : super
+  end
 end