diff --git a/.github/workflows/cpplint.yml b/.github/workflows/cpplint.yml
index 0b002f44..b9f9b202 100644
--- a/.github/workflows/cpplint.yml
+++ b/.github/workflows/cpplint.yml
@@ -25,4 +25,8 @@ jobs:
       run: sudo apt-get install -y clang-format-12
 
     - name: Run cpplint
-      run: make cpplint
+      run: |
+        CPPSOURCES=$(find ./ -regextype posix-extended -regex '.*\.(c|cpp|h|hpp|cc|cxx|cu)' -not -path "./build/*" -not -path "./python/*")
+        PYTHONCPPSOURCES=$(find ./python/src/ -regextype posix-extended -regex '.*\.(c|cpp|h|hpp|cc|cxx|cu)')
+        clang-format-12 -style=file --verbose --Werror --dry-run $(CPPSOURCES)
+        clang-format-12 --dry-run $(PYTHONCPPSOURCES)