diff --git a/spec/controllers/exercises_controller_spec.rb b/spec/controllers/exercises_controller_spec.rb
index cc10c8b9..d78287c2 100644
--- a/spec/controllers/exercises_controller_spec.rb
+++ b/spec/controllers/exercises_controller_spec.rb
@@ -134,6 +134,7 @@ describe ExercisesController do
     let(:request) { post :submit, format: :json, id: exercise.id, submission: {cause: 'submit', exercise_id: exercise.id} }
 
     before(:each) do
+      allow_any_instance_of(Submission).to receive(:normalized_score).and_return(1)
       expect(controller).to receive(:execute_test_files).and_return([{score: 1, weight: 1}])
       expect(controller).to receive(:score_submission).and_call_original
     end