diff --git a/src/proto/message.pro b/src/proto/message.pro
index db09d85..faa0368 100644
--- a/src/proto/message.pro
+++ b/src/proto/message.pro
@@ -39,6 +39,7 @@
 void msg_puts_long_attr __ARGS((char_u *longstr, int attr));
 void msg_puts_long_len_attr __ARGS((char_u *longstr, int len, int attr));
 void msg_puts_attr __ARGS((char_u *s, int attr));
+void clear_sb_text __ARGS((void));
 int msg_use_printf __ARGS((void));
 void mch_errmsg __ARGS((char *str));
 void mch_msg __ARGS((char *str));