diff --git a/appl/kx/rxterm.in b/appl/kx/rxterm.in
index fdec3a33c..2230b7b34 100644
--- a/appl/kx/rxterm.in
+++ b/appl/kx/rxterm.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 # $Id$
 #
-usage="Usage: $0 [-l username] [-k] [-r rsh_args] [-x xterm_args] [-w term_emulator] [-b rsh_binary][-v] [-h | --help] [--version] host"
+usage="Usage: $0 [-l username] [-k] [-r rsh_args] [-x xterm_args] [-K kx_args] [-w term_emulator] [-b rsh_binary][-v] [-h | --help] [--version] host"
 binary=rsh
 term=xterm
 while true
@@ -11,6 +11,7 @@ do
   -r) rsh_args="${rsh_args} $2 "; shift 2;;
   -x) xterm_args="${xterm_args} $2 "; shift 2;;
   -k) kx_args="${kx_args} -k"; shift;;
+  -K) kx_args="${kx_args} $2 "; shift 2;;
   -w) term=$2; shift 2;;
   -b) binary=$2; shift 2;;
   --version) echo "$0: %PACKAGE% %VERSION%"; exit 0;;