diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index d1759c0..b317f46 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -29,6 +29,8 @@ jobs:
         components: rustfmt
     - name: Rustfmt Check
       uses: actions-rust-lang/rustfmt@v1
+      with:
+        manifest-path: dtz/Cargo.toml
   msrv:
     runs-on: ubuntu-latest
     steps: