diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 23a2ecb..6e2b106 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
-      - run: make fmt
+      - run: make fmt-check
       - run: make lint
       - run: make test
         env:
diff --git a/Makefile b/Makefile
index e5b798f..60fba89 100644
--- a/Makefile
+++ b/Makefile
@@ -5,9 +5,13 @@ lint:
 	@deno lint
 	@deno check $(SRC_FILES)
 
+@PHONY: fmt-check
+fmt-check:
+	@deno fmt --check
+
 @PHONY: fmt
 fmt:
-	@deno fmt --check
+	@deno fmt
 
 @PHONY: test
 test: