diff --git a/build.sh b/build.sh
index 66ccd94..61968fc 100755
--- a/build.sh
+++ b/build.sh
@@ -33,6 +33,8 @@ cat "$_main_repo/flags.gn" "$_root_dir/flags.macos.gn" > "$_src_dir/out/Default/
 cd "$_src_dir"
 
 ./tools/gn/bootstrap/bootstrap.py -o out/Default/gn --skip-generate-buildfiles
+./tools/rust/build_bindgen.py
+
 ./out/Default/gn gen out/Default --fail-on-unused-args
 ninja -C out/Default chrome chromedriver
 
diff --git a/patches/series b/patches/series
index 8e82561..08e6488 100644
--- a/patches/series
+++ b/patches/series
@@ -1,3 +1,4 @@
+ungoogled-chromium/macos/build-bindgen.patch
 ungoogled-chromium/macos/disable-clang-version-check.patch
 ungoogled-chromium/macos/disable-crashpad-handler.patch
 ungoogled-chromium/macos/disable-symbol-order-verification.patch
diff --git a/patches/ungoogled-chromium/macos/build-bindgen.patch b/patches/ungoogled-chromium/macos/build-bindgen.patch
new file mode 100644
index 0000000..5ea1d24
--- /dev/null
+++ b/patches/ungoogled-chromium/macos/build-bindgen.patch
@@ -0,0 +1,47 @@
+--- a/tools/rust/build_bindgen.py
++++ b/tools/rust/build_bindgen.py
+@@ -28,8 +28,7 @@ from update import (RmTree)
+ 
+ # The git hash to use.
+ BINDGEN_GIT_VERSION = 'f93d5dfa6d5d7409bea584f3eab38e1fc52b8360'
+-BINDGEN_GIT_REPO = ('https://chromium.googlesource.com/external/' +
+-                    'github.com/rust-lang/rust-bindgen')
++BINDGEN_GIT_REPO = ('https://github.com/rust-lang/rust-bindgen')
+ 
+ BINDGEN_SRC_DIR = os.path.join(THIRD_PARTY_DIR, 'rust-toolchain-intermediate',
+                                'bindgen-src')
+@@ -102,15 +101,8 @@ def RunCargo(cargo_args):
+               f'the build_rust.py script builds rustc that is needed here.')
+         sys.exit(1)
+ 
+-    clang_bins_dir = os.path.join(RUST_HOST_LLVM_INSTALL_DIR, 'bin')
+-    llvm_dir = RUST_HOST_LLVM_INSTALL_DIR
+-
+-    if not os.path.exists(os.path.join(llvm_dir, 'bin', f'llvm-config{EXE}')):
+-        print(f'Missing llvm-config in {llvm_dir}. This '
+-              f'script expects to be run after build_rust.py is run as '
+-              f'the build_rust.py script produces the LLVM libraries that '
+-              f'are needed here.')
+-        sys.exit(1)
++    clang_bins_dir = os.path.join(THIRD_PARTY_DIR, 'llvm-build', 'Release+Asserts', 'bin')
++    llvm_dir = os.path.join(THIRD_PARTY_DIR, 'llvm-build', 'Release+Asserts')
+ 
+     env = collections.defaultdict(str, os.environ)
+     # Cargo normally stores files in $HOME. Override this.
+@@ -120,7 +112,6 @@ def RunCargo(cargo_args):
+     env['RUSTC'] = rustc_bin
+ 
+     # Use the LLVM libs and clang compiler from the rustc build.
+-    env['LLVM_CONFIG_PATH'] = os.path.join(llvm_dir, 'bin', 'llvm-config')
+     if sys.platform == 'win32':
+         env['LIBCLANG_PATH'] = os.path.join(llvm_dir, 'bin')
+     else:
+@@ -207,7 +198,7 @@ def main():
+     install_dir = os.path.join(RUST_TOOLCHAIN_OUT_DIR)
+     print(f'Installing bindgen to {install_dir} ...')
+ 
+-    llvm_dir = RUST_HOST_LLVM_INSTALL_DIR
++    llvm_dir = os.path.join(THIRD_PARTY_DIR, 'llvm-build', 'Release+Asserts')
+     shutil.copy(
+         os.path.join(build_dir, RustTargetTriple(), 'release',
+                      f'bindgen{EXE}'), os.path.join(install_dir, 'bin'))