diff --git a/.forgejo/workflows/fmt.yaml b/.forgejo/workflows/fmt.yaml
index d56bcf1..ddd50a7 100644
--- a/.forgejo/workflows/fmt.yaml
+++ b/.forgejo/workflows/fmt.yaml
@@ -12,4 +12,6 @@ jobs:
           apt update
           apt install -y clang-format
       - name: Run fmt
-        run: make fmt
+        run: |
+          make fmt
+          git diff --exit-code --quiet