diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 374db91..9b96f36 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,7 +1,9 @@
 [Builtin Hooks]
+clang_format = true
 rustfmt = true
 
 [Builtin Hooks Options]
+clang_format = --commit ${PREUPLOAD_COMMIT} --style file --extensions c,h,cc,cpp
 rustfmt = --config-path=rustfmt.toml
 
 [Hook Scripts]