diff --git a/HSH/Helpers/UnixUsers.hs b/HSH/Helpers/UnixUsers.hs
--- a/HSH/Helpers/UnixUsers.hs
+++ b/HSH/Helpers/UnixUsers.hs
@@ -96,8 +96,8 @@
   | null . SU.strip $ g = fail "addUserToGroup: blank group" 
   | otherwise =
       let usermodCmd = maybe "usermod" id mbUsermodCmd
-      in runIO $ render1 [("u",u),("g",g)]
-                                      "usermod -G $g$ -a $u$"
+      in runIO $ render1 [("usermodCmd",usermodCmd),("u",u),("g",g)]
+                                      "$usermodCmd$ -G $g$ -a $u$"
 
 rmUserFromSecondaryGroup :: SysUser -> SysGroup -> IO ()
 rmUserFromSecondaryGroup u g = do
diff --git a/HSHHelpers.cabal b/HSHHelpers.cabal
--- a/HSHHelpers.cabal
+++ b/HSHHelpers.cabal
@@ -1,5 +1,5 @@
 Name: HSHHelpers
-Version: 0.12
+Version: 0.13
 License: GPL
 License-file: gpl.txt
 Description: Convenience functions and instances for HSH. I will deprecate this package if its contents are integrated into HSH.
@@ -7,7 +7,7 @@
 Maintainer: Thomas Hartman <thomashartman1 at gmail>
 Author: Thomas Hartman
 Stability: Beta
-Copyright: Copyright (c) 2006-2008 Thomas Hartman
+Copyright: Copyright (c) 2008 Thomas Hartman
 Exposed-Modules: HSH.Helpers, HSH.Helpers.Instances, HSH.Helpers.UnixUsers, HSH.Helpers.FileManip
 Build-Depends: base, HSH, unix, HStringTemplateHelpers, MissingH, regex-pcre, directory, bytestring, filepath
 Category: System
