diff --git a/app/controllers/concerns/submission_scoring.rb b/app/controllers/concerns/submission_scoring.rb
index ea20a483..34d17cf9 100644
--- a/app/controllers/concerns/submission_scoring.rb
+++ b/app/controllers/concerns/submission_scoring.rb
@@ -20,6 +20,7 @@ module SubmissionScoring
   private :execute_test_file
 
   def feedback_message(file, score)
+    set_locale
     score == Assessor::MAXIMUM_SCORE ? I18n.t('exercises.implement.default_feedback') : file.feedback_message
   end