diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6fae4857f79d1e22d290b417b3109182a6a09193..6f61239a1c40740209065ded071b43230afba579 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,7 +37,7 @@ format:
     stage: build
     script:
         - clang-format --version # we use clang-format-10 exclusively
-        - python3 ${CI_PROJECT_DIR}/../waves/scripts/format_code.py
+        - ${CI_PROJECT_DIR}/../waves/scripts/format_code.py
         - mkdir -p patches
         - if git diff --patch --exit-code > patches/clang-format.patch; then echo "Clang format changed nothing"; else echo "Clang format found changes to make!"; false; fi
     artifacts: