diff --git a/packages/material-ui/src/Modal/Modal.d.ts b/packages/material-ui/src/Modal/Modal.d.ts
index dcd7ae12003a4e..f1b2fb6b94bfd1 100644
--- a/packages/material-ui/src/Modal/Modal.d.ts
+++ b/packages/material-ui/src/Modal/Modal.d.ts
@@ -20,6 +20,7 @@ export interface ModalProps
   onBackdropClick?: React.ReactEventHandler<{}>;
   onClose?: React.ReactEventHandler<{}>;
   onEscapeKeyDown?: React.ReactEventHandler<{}>;
+  onRendered?: PortalProps['onRendered'];
   open: boolean;
 }