diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45ee9d40..472a856a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -195,6 +195,15 @@ jobs:
         uses: dtolnay/rust-toolchain@nightly
         if: matrix.config.variant == 'asan'
 
+      - name: check rust code formatting
+        run: cargo fmt --check
+
+      - name: check c++ code formatting
+        if: startsWith(matrix.config.os, 'ubuntu')
+        run: |
+          sudo apt-get install -y clang-format
+          clang-format --Werror --dry-run src/binding.cc
+
       - name: Test (ASAN)
         env:
           SCCACHE_IDLE_TIMEOUT: 0
@@ -220,9 +229,6 @@ jobs:
           ${{ matrix.config.cargo }} clippy --all-targets --locked ${{ env.CARGO_VARIANT_FLAG }}
           --target ${{ matrix.config.target }} -- -D clippy::all
 
-      - name: Rustfmt
-        run: cargo fmt -- --check
-
       - name: Prepare binary publish
         if: matrix.config.variant == 'debug' || matrix.config.variant == 'release'
         run: gzip -9c
diff --git a/src/binding.cc b/src/binding.cc
index 88ff98ac..6a702a9d 100644
--- a/src/binding.cc
+++ b/src/binding.cc
@@ -1200,12 +1200,12 @@ void v8__Template__Set(const v8::Template& self, const v8::Name& key,
   ptr_to_local(&self)->Set(ptr_to_local(&key), ptr_to_local(&value), attr);
 }
 
-void v8__Template__SetIntrinsicDataProperty(
-    const v8::Template& self, const v8::Name& key,
-    v8::Intrinsic intrinsic,
-    v8::PropertyAttribute attr) {
-  ptr_to_local(&self)->SetIntrinsicDataProperty(ptr_to_local(&key),
-                                                intrinsic, attr);
+void v8__Template__SetIntrinsicDataProperty(const v8::Template& self,
+                                            const v8::Name& key,
+                                            v8::Intrinsic intrinsic,
+                                            v8::PropertyAttribute attr) {
+  ptr_to_local(&self)->SetIntrinsicDataProperty(ptr_to_local(&key), intrinsic,
+                                                attr);
 }
 
 const v8::ObjectTemplate* v8__ObjectTemplate__New(
@@ -1810,10 +1810,8 @@ size_t v8__ArrayBuffer__ByteLength(const v8::ArrayBuffer& self) {
   return self.ByteLength();
 }
 
-const v8::DataView* v8__DataView__New(
-    const v8::ArrayBuffer& ab,
-    size_t offset,
-    size_t length) {
+const v8::DataView* v8__DataView__New(const v8::ArrayBuffer& ab, size_t offset,
+                                      size_t length) {
   return local_to_ptr(v8::DataView::New(ptr_to_local(&ab), offset, length));
 }