--- libaitio/src/sock.c	2013/11/25 11:40:04	1.8
+++ libaitio/src/sock.c	2013/11/25 11:46:17	1.9
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: sock.c,v 1.8 2013/11/25 11:40:04 misho Exp $
+* $Id: sock.c,v 1.9 2013/11/25 11:46:17 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -59,7 +59,8 @@ io_closeClient(sched_task_t *task)
 
 	schedCancelby(s->sock_root, taskMAX, CRITERIA_ARG, cli, NULL);
 
-	ioFreePTY(cli->cli_pty, cli->cli_name);
+	if (*cli->cli_name)
+		ioFreePTY(cli->cli_pty, cli->cli_name);
 
 	if (s->sock_type == SOCK_STREAM) {
 		shutdown(cli->cli_fd, SHUT_RDWR);