diff --git a/include/patty/ax25.h b/include/patty/ax25.h
index 1ec4fd9..8a2beca 100644
--- a/include/patty/ax25.h
+++ b/include/patty/ax25.h
@@ -47,6 +47,9 @@ int patty_ax25_open(patty_ax25 *ax25, const char *ifname);
 
 int patty_ax25_socket(patty_ax25 *ax25);
 
+int patty_ax25_bind(patty_ax25 *ax25,
+    int socket, const char *callsign, int ssid);
+
 int patty_ax25_listen(patty_ax25 *ax25,
     int socket, const char *callsign, int ssid);