diff --git a/.github/workflows/cpplint_modified_files.yml b/.github/workflows/cpplint_modified_files.yml
index 07a32ece9..8de6a5e41 100644
--- a/.github/workflows/cpplint_modified_files.yml
+++ b/.github/workflows/cpplint_modified_files.yml
@@ -11,7 +11,7 @@ jobs:
   cpplint_modified_files:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1  # v2 is broken for git diff
+      - uses: actions/checkout@v1 # v2 is broken for git diff
       - uses: actions/setup-python@v1
       - run: python -m pip install cpplint
       - run: git remote -v
@@ -42,7 +42,8 @@ jobs:
           print("g++:")
           # compile_exts = tuple(".c .c++ .cc .cpp .cu .cxx".split())
           # compile_files = [file for file in cpp_files if file.lower().endswith(compile_exts)]
-          subprocess.run(["g++"] + cpp_files, check=True, text=True)
+          for cpp_file in cpp_files:
+            subprocess.run(["g++", cpp_file], check=True, text=True)
 
           upper_files = [file for file in cpp_files if file != file.lower()]
           if upper_files: