diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
index 8641c75..835d2ce 100644
--- a/src/proto/buffer.pro
+++ b/src/proto/buffer.pro
@@ -25,7 +25,7 @@
 linenr_T buflist_findlnum __ARGS((buf_T *buf));
 void buflist_list __ARGS((exarg_T *eap));
 int buflist_name_nr __ARGS((int fnum, char_u **fname, linenr_T *lnum));
-int setfname __ARGS((buf_T *buf, char_u *ffname, char_u *sfname, int exist_msg));
+int setfname __ARGS((buf_T *buf, char_u *ffname, char_u *sfname, int message));
 void buf_set_name __ARGS((int fnum, char_u *name));
 void buf_name_changed __ARGS((buf_T *buf));
 buf_T *setaltfname __ARGS((char_u *ffname, char_u *sfname, linenr_T lnum));