diff --git a/select2/select2.d.ts b/select2/select2.d.ts
index 7699615dee..908fa7a6ae 100644
--- a/select2/select2.d.ts
+++ b/select2/select2.d.ts
@@ -78,7 +78,7 @@ interface Select2Options {
     */
     templateSelection?: (object: Select2SelectionObject) => any;
     templateResult?: (object: Select2SelectionObject) => any;
-	language?: string;
+    language?: string | string[] | {};
 }
 
 interface Select2JQueryEventObject extends JQueryEventObject {