diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index 77040a5..f8e4a9b 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -1,7 +1,8 @@
 /* channel.c */
 void channel_gui_register_all(void);
-int channel_open(char *hostname, int port_in, void (*close_cb)(void));
+int channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void));
 void channel_set_json_mode(int idx, int json_mode);
+void channel_set_timeout(int idx, int timeout);
 void channel_set_callback(int idx, char_u *callback);
 void channel_set_req_callback(int idx, char_u *callback, int id);
 char_u *channel_get(int idx);