===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/key-bindings.c,v
retrieving revision 1.113
retrieving revision 1.114
diff -u -r1.113 -r1.114
--- src/usr.bin/tmux/key-bindings.c	2020/03/20 18:20:58	1.113
+++ src/usr.bin/tmux/key-bindings.c	2020/03/20 18:22:37	1.114
@@ -1,4 +1,4 @@
-/* $OpenBSD: key-bindings.c,v 1.113 2020/03/20 18:20:58 nicm Exp $ */
+/* $OpenBSD: key-bindings.c,v 1.114 2020/03/20 18:22:37 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -64,7 +64,7 @@
 	" 'Kill' 'X' {kill-pane}" \
 	" 'Respawn' 'R' {respawn-pane -k}" \
 	" '#{?pane_marked,Unmark,Mark}' 'm' {select-pane -m}" \
-	" '#{?window_zoomed_flag,Unzoom,Zoom}' 'z' {resize-pane -Z}"
+	" '#{?#{>:#{window_panes},1},,-}#{?window_zoomed_flag,Unzoom,Zoom}' 'z' {resize-pane -Z}"
 
 static int key_bindings_cmp(struct key_binding *, struct key_binding *);
 RB_GENERATE_STATIC(key_bindings, key_binding, entry, key_bindings_cmp);