diff --git a/locale/manifests/init.pp b/locale/manifests/init.pp
index 2b2df67..2ceac84 100644
--- a/locale/manifests/init.pp
+++ b/locale/manifests/init.pp
@@ -4,7 +4,7 @@
 # === Parameters
 #
 #     $lang:
-#         Value to set into $LANG environment.
+#         Value to set into $LANG environment. Defaults to en_US.
 #
 # === Sample usage
 #
@@ -18,7 +18,7 @@ class locale($lang="en_US") {
         "centos": {
             augeas { "i18n":
                 context => "/files/etc/sysconfig/i18n",
-                changes => "set LANG en_US",
+                changes => "set LANG ${lang}",
             }
         }
         "fedora": {
@@ -27,13 +27,13 @@ class locale($lang="en_US") {
                     /^1[0-7]/ => "/files/etc/sysconfig/i18n",
                     default   => "/files/etc/locale.conf",
                 },
-                changes => "set LANG en_US",
+                changes => "set LANG ${lang}",
             }
         }
         "ubuntu": {
             augeas { "i18n":
                 context => "/files/etc/default/locale",
-                changes => "set LANG en_US",
+                changes => "set LANG ${lang}",
             }
         }
         default: {