diff --git a/.github/workflows/copyright.yml b/.github/workflows/copyright.yml
index e3f91dea0e..1328db6f86 100644
--- a/.github/workflows/copyright.yml
+++ b/.github/workflows/copyright.yml
@@ -23,3 +23,5 @@ jobs:
           check-latest: true
 
       - run: make license
+
+      - run: git diff --exit-code