diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index 3e2fd32e8..6496fd811 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -25,6 +25,7 @@ jobs:
         apt_packages: libopenmpi-dev,libhdf5-mpi-dev,python3-dev,python3-numpy,python3-matplotlib
         cmake_command: cmake . -B build -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DQUOKKA_PYTHON=ON -DQUOKKA_OPENPMD=ON -DopenPMD_USE_ADIOS2=OFF
         split_workflow: true
+        extra_args: src/PrimordialChem/test_primordial_chem.cpp
 
     # Uploads an artefact containing clang_fixes.json
     - uses: ZedThree/clang-tidy-review/upload@v0.17.1