===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/spawn.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- src/usr.bin/tmux/spawn.c	2020/03/02 08:30:30	1.15
+++ src/usr.bin/tmux/spawn.c	2020/03/17 11:10:12	1.16
@@ -1,4 +1,4 @@
-/* $OpenBSD: spawn.c,v 1.15 2020/03/02 08:30:30 nicm Exp $ */
+/* $OpenBSD: spawn.c,v 1.16 2020/03/17 11:10:12 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -320,7 +320,7 @@
 	/* Then the shell. If respawning, use the old one. */
 	if (~sc->flags & SPAWN_RESPAWN) {
 		tmp = options_get_string(s->options, "default-shell");
-		if (*tmp == '\0' || areshell(tmp))
+		if (!checkshell(tmp))
 			tmp = _PATH_BSHELL;
 		free(new_wp->shell);
 		new_wp->shell = xstrdup(tmp);