diff --git a/grading-gitlab-ci.yml b/grading-gitlab-ci.yml
index d97b1195059a896660393ee9482498f0b5f611b5..16b546540b00dbe06685fd6c6f28506f9c42d7f9 100644
--- a/grading-gitlab-ci.yml
+++ b/grading-gitlab-ci.yml
@@ -66,3 +66,4 @@ grade:
   script:
     - cd /grader
     - /grader/grade
+    - grep -q /shared/feedback.json '"fractionalScore": 1.00'