diff --git a/build_files/windows/format.cmd b/build_files/windows/format.cmd
index ca5330dc37c..04610944e16 100644
--- a/build_files/windows/format.cmd
+++ b/build_files/windows/format.cmd
@@ -20,6 +20,6 @@ set FORMAT_PATHS=%BLENDER_DIR%\source\tools\utils_maintenance\clang_format_paths
 REM The formatting script expects clang-format to be in the current PATH.
 set PATH=%CF_PATH%;%PATH%
 
-%PYTHON% %FORMAT_PATHS% --expand-tabs
+%PYTHON% %FORMAT_PATHS%
 
 :EOF