diff --git a/.github/workflows/check-and-lint.yaml b/.github/workflows/check-and-lint.yaml
index 587c8c1a..cb825f48 100644
--- a/.github/workflows/check-and-lint.yaml
+++ b/.github/workflows/check-and-lint.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '${{ env.RUST_VER }}
+          toolchain: '${{ env.RUST_VER }}'
           components: rustfmt
 
       - name: Run cargo fmt