===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/popup.c,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -r1.18 -r1.19
--- src/usr.bin/tmux/popup.c	2020/05/16 16:30:59	1.18
+++ src/usr.bin/tmux/popup.c	2020/05/16 16:35:13	1.19
@@ -1,4 +1,4 @@
-/* $OpenBSD: popup.c,v 1.18 2020/05/16 16:30:59 nicm Exp $ */
+/* $OpenBSD: popup.c,v 1.19 2020/05/16 16:35:13 nicm Exp $ */
 
 /*
  * Copyright (c) 2020 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -341,7 +341,7 @@
 		format_defaults(ft, c, fs->s, fs->wl, fs->wp);
 	else
 		format_defaults(ft, c, NULL, NULL, NULL);
-	format_add(ft, "popup_key", "%s", key_string_lookup_key(event->key));
+	format_add(ft, "popup_key", "%s", key_string_lookup_key(event->key, 0));
 	if (KEYC_IS_MOUSE(event->key)) {
 		format_add(ft, "popup_mouse", "1");
 		format_add(ft, "popup_mouse_x", "%u", m->x - pd->px);