diff --git a/types/react-navigation/index.d.ts b/types/react-navigation/index.d.ts
index e343d092c6..f4179a19ce 100644
--- a/types/react-navigation/index.d.ts
+++ b/types/react-navigation/index.d.ts
@@ -268,6 +268,7 @@ export interface NavigationInitAction {
 export interface NavigationResetAction {
   type?: 'Navigation/RESET',
   index: number,
+  key?: string | null,
   actions: NavigationNavigateAction[],
 }
 
@@ -319,6 +320,7 @@ export type NavigationAction =
   | NavigationTabAction
 
 export namespace NavigationActions {
+  function init(options?: NavigationInitAction): NavigationInitAction;
   function navigate(options: NavigationNavigateAction): NavigationNavigateAction;
   function reset(options: NavigationResetAction): NavigationResetAction;
   function back(options?: NavigationBackAction): NavigationBackAction;