diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 23c58c63..11b8f9db 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -19,7 +19,8 @@ jobs:
         uses: technote-space/get-diff-action@v6
         id: git-diff
         with:
-          PATTERNS: +/**/*.py
+          PATTERNS: |
+            **/*.py
 
       - name: Set up python
         if: steps.git-diff.outputs.diff