diff --git a/tools/check_tidy.py b/tools/check_tidy.py
index e35a26138..67eb136c9 100755
--- a/tools/check_tidy.py
+++ b/tools/check_tidy.py
@@ -65,7 +65,7 @@ def report_error(msg, line=None):
 
             with open(file, 'r') as f:
                 original = f.readlines()
-            formatted = subprocess.check_output([clang_format, '-style=Google', file])
+            formatted = subprocess.check_output([clang_format, '-style=file', file])
 
             if update:
                 with open(file, 'w') as f: