diff --git a/include/osmocom/vty/vty.h b/include/osmocom/vty/vty.h
index 3e6178f..c13f435 100644
--- a/include/osmocom/vty/vty.h
+++ b/include/osmocom/vty/vty.h
@@ -222,6 +222,7 @@
 int vty_read(struct vty *vty);
 //void vty_time_print (struct vty *, int);
 void vty_close (struct vty *);
+void vty_flush(struct vty *vty);
 char *vty_get_cwd (void);
 void vty_log (const char *level, const char *proto, const char *fmt, va_list);
 int vty_config_lock (struct vty *);