diff --git a/src/server.c b/src/server.c
index 117f10b..8512152 100644
--- a/src/server.c
+++ b/src/server.c
@@ -740,7 +740,7 @@ static int server_connect(patty_ax25_server *server,
         goto error_network_down;
     }
 
-    iface = sock->iface = route->iface;
+    patty_ax25_sock_bind_if(sock, iface = route->iface);
 
     /*
      * If there is no local address bound to this sock, then bind the