diff --git a/types/react-intl-redux/index.d.ts b/types/react-intl-redux/index.d.ts
index bda90bd4e1..b3f490b258 100644
--- a/types/react-intl-redux/index.d.ts
+++ b/types/react-intl-redux/index.d.ts
@@ -11,6 +11,7 @@ import { IntlProvider as ReactIntlProvider } from "react-intl"
 interface IntlState {
     locale: string
     messages: any
+    formats?: any
 }
 
 interface IntlAction extends Action {