diff --git a/src/os_macosx.m b/src/os_macosx.m
index dcd3da9..d6913d4 100644
--- a/src/os_macosx.m
+++ b/src/os_macosx.m
@@ -1,4 +1,4 @@
-/* vi:set ts=8 sts=4 sw=4:
+/* vi:set ts=8 sts=4 sw=4 noet:
  *
  * VIM - Vi IMproved		by Bram Moolenaar
  *