diff --git a/etc/shells b/etc/shells
index 6780e3d2c54a..c72267a39d57 100644
--- a/etc/shells
+++ b/etc/shells
@@ -1,4 +1,4 @@
-#	$NetBSD: shells,v 1.4 2021/10/08 18:02:57 nia Exp $
+#	$NetBSD: shells,v 1.5 2021/11/27 18:39:15 uwe Exp $
 #
 # List of acceptable shells for chpass(1).
 # Ftpd will not allow users to connect who are not using
@@ -8,3 +8,4 @@
 /bin/csh
 /bin/ksh
 /rescue/sh
+/usr/bin/tmux