diff --git a/types/react-onsenui/index.d.ts b/types/react-onsenui/index.d.ts
index 39722faa7c..1b90fb1c50 100644
--- a/types/react-onsenui/index.d.ts
+++ b/types/react-onsenui/index.d.ts
@@ -281,6 +281,7 @@ export class Ripple extends Component<{
     color?: string,
     background?: string,
     disabled?: boolean,
+    modifier?: string,
 }, any> {}
 
 /*** Forms ***/