diff --git a/src/store/rootConnector.ts b/src/store/rootConnector.ts
index e23e98f..ef68228 100644
--- a/src/store/rootConnector.ts
+++ b/src/store/rootConnector.ts
@@ -1,6 +1,6 @@
 import { connect, ConnectedProps } from 'react-redux';
 import { Dispatch } from 'redux';
-import { IAppState } from './rootReducer';
+import { IAppState } from './types';
 
 export type rootProps = ConnectedProps<typeof rootConnector>;
 
diff --git a/src/store/types.ts b/src/store/types.ts
index 0133296..15be055 100644
--- a/src/store/types.ts
+++ b/src/store/types.ts
@@ -1,14 +1,14 @@
 import { Country } from '../types';
 
 export interface IAppState {
-  lang: 'EN' | 'RU' | 'DE',
+  lang: 'EN' | 'RU' | 'DE' | undefined,
   countries: Country[],
 }
 
 export interface RootReducerAction {
   type: string,
   payload: {
-    lang?: string,
+    lang?: 'EN' | 'RU' | 'DE',
     countries?: Country[],
   }
 }
diff --git a/src/types/index.d.ts b/src/types/index.d.ts
index 40f1ea2..6430bc3 100644
--- a/src/types/index.d.ts
+++ b/src/types/index.d.ts
@@ -2,7 +2,9 @@ export interface Country {
   id: string,
   name: string,
   pictureURL: string,
+  capitalLatLng?: [number, number] | undefined,
 }
+
 export interface URLParamTypes {
   countryId: string,
 }