diff --git a/install/lang/ckb/moodle.php b/install/lang/ckb/moodle.php
index b0a781276e1..ccef7c5add9 100644
--- a/install/lang/ckb/moodle.php
+++ b/install/lang/ckb/moodle.php
@@ -32,4 +32,5 @@ defined('MOODLE_INTERNAL') || die();
 
 $string['language'] = 'زمان';
 $string['next'] = 'دواتر';
+$string['previous'] = 'پێشوو';
 $string['reload'] = 'بارکردنەوە';