diff --git a/install/lang/fo/moodle.php b/install/lang/fo/moodle.php
index 914ebf9bd23..31e6b21600f 100644
--- a/install/lang/fo/moodle.php
+++ b/install/lang/fo/moodle.php
@@ -32,3 +32,4 @@ defined('MOODLE_INTERNAL') || die();
 
 $string['language'] = 'Tungumál';
 $string['next'] = 'Næsta';
+$string['previous'] = 'Undanfarna';