diff --git a/.github/workflows/test_vectors.yml b/.github/workflows/test_vectors.yml
index c29e58f..b85f16c 100644
--- a/.github/workflows/test_vectors.yml
+++ b/.github/workflows/test_vectors.yml
@@ -33,4 +33,4 @@ jobs:
         run: ./regenerate.sh ${{ matrix.kind }} ${{ matrix.extension }}
 
       - name: Verify there are no changes
-        run: git diff -s --exit-code
+        run: test -z "$(git status --porcelain)"