diff --git a/src/nbdebug.h b/src/nbdebug.h
index d049896..6331f49 100644
--- a/src/nbdebug.h
+++ b/src/nbdebug.h
@@ -1,4 +1,4 @@
-/* vi:set ts=8 sts=8 sw=8:
+/* vi:set ts=8 sw=8 noet:
  *
  * VIM - Vi IMproved	by Bram Moolenaar
  *			Visual Workshop integration by Gordon Prieur