diff --git a/libraries/classes/LanguageManager.php b/libraries/classes/LanguageManager.php
index 84b12b7257..36e32ec391 100644
--- a/libraries/classes/LanguageManager.php
+++ b/libraries/classes/LanguageManager.php
@@ -54,6 +54,13 @@ class LanguageManager
             'ar|arabic',
             'ar_AE',
         ],
+        'ar_ly' => [
+            'ar_LY',
+            'Arabic (Libya)',
+            'ليبي',
+            'ar[_-]ly|arabic (libya)|libian arabic',
+            'ar_LY',
+        ],
         'az' => [
             'az',
             'Azerbaijani',