diff --git a/.github/workflows/optimizer.yml b/.github/workflows/optimizer.yml
index cfb554287..9453bfd2b 100644
--- a/.github/workflows/optimizer.yml
+++ b/.github/workflows/optimizer.yml
@@ -37,3 +37,27 @@ jobs:
         run: |
           cargo test --release --no-fail-fast --all-targets
           make -C concrete-optimizer-cpp test-ci
+
+  nightly-check-concrete-optimizer:
+    runs-on: ubuntu-20.04
+    env:
+      RUSTFLAGS: -D warnings
+    steps:
+      - uses: actions/checkout@v3
+      - name: Rust install
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+          components: rustfmt, clippy
+      # A SSH private key is required as some dependencies are from private repos
+      - name: Set ssh keys
+        uses: webfactory/ssh-agent@v0.6.0
+        with:
+          ssh-private-key: ${{ secrets.CONCRETE_COMPILER_CI_SSH_PRIVATE }}
+      - name: Formatting
+        run: cargo fmt --check
+
+      - name: Lint
+        run: cargo clippy --release --all-targets
+
diff --git a/v0-parameters/src/bin/v0-parameters-by-level.rs b/v0-parameters/src/bin/v0-parameters-by-level.rs
index 8ff608417..609e389b5 100644
--- a/v0-parameters/src/bin/v0-parameters-by-level.rs
+++ b/v0-parameters/src/bin/v0-parameters-by-level.rs
@@ -40,6 +40,6 @@ fn main() {
         args.security_level = security_level;
         let file = File::create(&filename_date).unwrap();
         compute_print_results(file, &args).unwrap();
-        std::fs::copy(&filename_date, &filename_last).expect("Copy to last failed");
+        std::fs::copy(&filename_date, filename_last).expect("Copy to last failed");
     }
 }