diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc2dcf5b..1b40348a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,7 +27,7 @@ repos:
     hooks:
       - id: clang-format
         args: ["--style=file", "-i"]  # Use the .clang-format file for configuration and apply all fixes
-        files: \.(c|h|cpp|hpp)$
+        files: ^src/.*\.(c|h|cpp|hpp)$
 
   # - repo: https://github.com/pocc/pre-commit-hooks
   #   rev: v1.3.5