diff --git a/.woodpecker/check_fmt.yaml b/.woodpecker/check_fmt.yaml
index fbee4b6..1d1a69c 100644
--- a/.woodpecker/check_fmt.yaml
+++ b/.woodpecker/check_fmt.yaml
@@ -2,7 +2,8 @@ when:
   - event: pull_request
 
 steps:
-  - name: "Run nix flake check"
+  - name: "Run check fmt"
     image: docker.nix-community.org/nixpkgs/nix-flakes
     commands:
-      - nix fmt -- --fail-on-change
+      - nix fmt
+      - git diff