diff --git a/typescript/base/combination/group.button.ts b/typescript/base/combination/group.button.ts
index 639568de0..4eb186f38 100644
--- a/typescript/base/combination/group.button.ts
+++ b/typescript/base/combination/group.button.ts
@@ -9,7 +9,7 @@ export interface _ButtonGroup extends _Widget {
 
     removeItems(values: any): void;
 
-    populate(items?: any): void;
+    populate(items?: any, ...args: any[]): void;
 
     setNotSelectedValue(v: any): void;