diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index 97bf632..d3cb8ca 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -23,7 +23,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
           check-latest: true
 
-      - run: diff -u <(echo -n) <(gofmt -d -s .)
+      - run: gofmt -w -s . && git diff --exit-code --color
 
       - run: go install -v ./...