diff --git a/.clang-tidy b/.clang-tidy
index 7405ca9..9943fb0 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -104,7 +104,7 @@ CheckOptions:
   - key: readability-identifier-naming.GlobalConstantPointerSuffix
     value: ''
   - key: readability-identifier-naming.GlobalFunctionCase
-    value: camelBack
+    value: lower_case
   - key: readability-identifier-naming.GlobalFunctionPrefix
     value: ''
   - key: readability-identifier-naming.GlobalFunctionSuffix