diff --git a/manifests/init.pp b/manifests/init.pp
index e7f685e..0f58408 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -76,6 +76,10 @@
 #     Metadata about the locale information.
 #     Default: undef
 #
+#   [*lc_all*]
+#     Primary Language
+#     Default: undef
+#
 #   [*autoupgrade*]
 #     Upgrade package automatically, if there is a newer version.
 #     Default: false
@@ -128,6 +132,7 @@
   $lc_telephone      = $locales::params::lc_telephone,
   $lc_measurement    = $locales::params::lc_measurement,
   $lc_identification = $locales::params::lc_identification,
+  $lc_all            = $locales::params::lc_all,
   $autoupgrade       = false,
   $package           = $locales::params::package,
   $config_file       = $locales::params::config_file,
diff --git a/manifests/params.pp b/manifests/params.pp
index 903cdd1..552a2f7 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -19,6 +19,7 @@
       $lc_telephone      = undef
       $lc_measurement    = undef
       $lc_identification = undef
+      $lc_all            = undef
       $package           = 'locales'
       $default_file      = '/etc/default/locale'
       $locale_gen_cmd    = '/usr/sbin/locale-gen'
diff --git a/templates/locale.erb b/templates/locale.erb
index 2400e68..7af4213 100644
--- a/templates/locale.erb
+++ b/templates/locale.erb
@@ -41,3 +41,6 @@ LC_MEASUREMENT="<%= @lc_measurement %>"
 <% if @lc_identification -%>
 LC_IDENTIFICATION="<%= @lc_identification %>"
 <% end -%>
+<% if @lc_all -%>
+LC_ALL="<%= @lc_all %>"
+<% end -%>