diff --git a/lib/language.php b/lib/language.php
index a99bf89e35..4fc45bafe9 100644
--- a/lib/language.php
+++ b/lib/language.php
@@ -172,6 +172,7 @@ function get_all_languages() {
         'fr-fr'   => array('q' => 1, 'lang' => 'fr', 'name' => 'French', 'direction' => 'ltr'),
         'ga'      => array('q' => 0.5, 'lang' => 'ga', 'name' => 'Galician', 'direction' => 'ltr'),
         'he'      => array('q' => 0.5, 'lang' => 'he', 'name' => 'Hebrew', 'direction' => 'rtl'),
+        'hsb'     => array('q' => 0.8, 'lang' => 'hsb', 'name' => 'Upper Sorbian', 'direction' => 'ltr'),
         'is'      => array('q' => 0.1, 'lang' => 'is', 'name' => 'Icelandic', 'direction' => 'ltr'),
         'it'      => array('q' => 1, 'lang' => 'it', 'name' => 'Italian', 'direction' => 'ltr'),
         'jp'      => array('q' => 0.5, 'lang' => 'ja', 'name' => 'Japanese', 'direction' => 'ltr'),