===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/cmd-if-shell.c,v
retrieving revision 1.53
retrieving revision 1.54
diff -u -r1.53 -r1.54
--- src/usr.bin/tmux/cmd-if-shell.c	2017/04/21 14:01:19	1.53
+++ src/usr.bin/tmux/cmd-if-shell.c	2017/04/22 06:27:15	1.54
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-if-shell.c,v 1.53 2017/04/21 14:01:19 nicm Exp $ */
+/* $OpenBSD: cmd-if-shell.c,v 1.54 2017/04/22 06:27:15 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -120,7 +120,8 @@
 		cdata->cmd_else = NULL;
 
 	cdata->client = item->client;
-	cdata->client->references++;
+	if (cdata->client != NULL)
+		cdata->client->references++;
 
 	if (!args_has(args, 'b'))
 		cdata->item = item;
@@ -193,7 +194,8 @@
 {
 	struct cmd_if_shell_data	*cdata = data;
 
-	server_client_unref(cdata->client);
+	if (cdata->client != NULL)
+		server_client_unref(cdata->client);
 
 	free(cdata->cmd_else);
 	free(cdata->cmd_if);