diff --git a/include/patty/ax25.h b/include/patty/ax25.h
index d735839..c9d721f 100644
--- a/include/patty/ax25.h
+++ b/include/patty/ax25.h
@@ -117,7 +117,7 @@ int patty_ax25_connect(patty_ax25 *ax25,
 
 int patty_ax25_accept(patty_ax25 *ax25, int socket);
 
-int patty_ax25_close(patty_ax25 *ax25, int fd);
+int patty_ax25_close(patty_ax25 *ax25, int socket);
 
 /*int patty_ax25_next_event(patty_ax25 *ax25,
     patty_ax25_event *ev);*/