diff --git a/bash_completion b/bash_completion
index 65b3f81e..73d418a6 100644
--- a/bash_completion
+++ b/bash_completion
@@ -1,7 +1,7 @@
 #   bash_completion - programmable completion functions for bash 3.x
 #		      (backwards compatible with bash 2.05b)
 #
-#   $Id: bash_completion,v 1.858 2006/02/25 11:55:56 ianmacd Exp $
+#   $Id: bash_completion,v 1.859 2006/02/25 13:02:25 ianmacd Exp $
 #
 #   Copyright (C) Ian Macdonald <ian@caliban.org>
 #
@@ -8627,6 +8627,22 @@ _vncviewer()
 } &&
 complete -F _vncviewer vncviewer
 
+# sysctl(8) completion
+#
+have sysctl &&
+_sysctl()
+{
+	local cur
+
+	COMPREPLY=()
+	cur=${COMP_WORDS[COMP_CWORD]}
+
+	COMPREPLY=( $( compgen -W "$(sysctl -N -a 2>/dev/null)" -- $cur ) )
+
+	return 0
+} &&
+complete -F _sysctl sysctl
+
 _filedir_xspec()
 {
 	local IFS cur xspec