diff --git a/packages/react-navigation/flow/react-navigation.js b/packages/react-navigation/flow/react-navigation.js
index d385a0fe..1dc0c0fd 100644
--- a/packages/react-navigation/flow/react-navigation.js
+++ b/packages/react-navigation/flow/react-navigation.js
@@ -488,7 +488,12 @@ declare module 'react-navigation' {
     goBack: (routeKey?: ?string) => boolean,
     dismiss: () => boolean,
     navigate: (
-      routeName: string,
+      routeName: string | {
+        routeName: string,
+        params?: NavigationParams,
+        action?: NavigationNavigateAction,
+        key?: string
+      },
       params?: NavigationParams,
       action?: NavigationNavigateAction
     ) => boolean,