diff --git a/src/mu-bookmarks.c b/src/mu-bookmarks.c
index 1bbdbd15..4b81ddc0 100644
--- a/src/mu-bookmarks.c
+++ b/src/mu-bookmarks.c
@@ -1,3 +1,5 @@
+/* -*-mode: c; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-*/
+
 /*
 ** Copyright (C) 2010-2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
 **
diff --git a/src/mu-index.c b/src/mu-index.c
index 5a324891..8cef66e2 100644
--- a/src/mu-index.c
+++ b/src/mu-index.c
@@ -1,3 +1,5 @@
+/* -*-mode: c; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-*/
+
 /* 
 ** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
 **