diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index dcaa951a..66680caf 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -16,6 +16,10 @@ jobs:
       # TODO: do we need the next two lines?
       - run: LDFLAGS=-L/usr/local/opt/llvm@13/lib >> $GITHUB_ENV
       - run: CPPFLAGS=-I/usr/local/opt/llvm@13/include >> $GITHUB_ENV
+      - run: |
+          ((echo '#include <stdio.h>' && echo stdin && echo stdout && echo stderr) | cpp) || true
+      - run: |
+          ((echo '#include <stdio.h>' && echo stdin && echo stdout && echo stderr) | clang-cpp) || true
       - run: |
           ((echo '#include <stdio.h>' && echo stdin && echo stdout && echo stderr) | clang-cpp-13) || true
       - run: |