diff --git a/.github/workflows/cpp.yml b/.github/workflows/cpp.yml
index 59ed1ee..978e942 100644
--- a/.github/workflows/cpp.yml
+++ b/.github/workflows/cpp.yml
@@ -17,4 +17,4 @@ jobs:
           clangformat: 18.1.6
       - name: Run clang-format
         run: clang-format-18 **/*.cpp **/*.hpp -n --Werror
-        shell: zsh
+        shell: zsh {0}