diff --git a/app/actions/encryption.ts b/app/actions/encryption.ts
index ca3be8ce5..be3fb43fa 100644
--- a/app/actions/encryption.ts
+++ b/app/actions/encryption.ts
@@ -1,14 +1,15 @@
 import { Action } from 'redux';
 
+import { IBanner } from '../reducers/encryption';
 import { ENCRYPTION } from './actionsTypes';
 
 export interface IEncryptionSet extends Action {
 	enabled: boolean;
-	banner: any;
+	banner: IBanner;
 }
 
 export interface IEncryptionSetBanner extends Action {
-	banner: any;
+	banner: IBanner;
 }
 export interface IEncryptionDecodeKey extends Action {
 	password: string;
@@ -28,7 +29,7 @@ export function encryptionStop(): Action {
 	};
 }
 
-export function encryptionSet(enabled = false, banner: any = null): IEncryptionSet {
+export function encryptionSet(enabled = false, banner: IBanner = ''): IEncryptionSet {
 	return {
 		type: ENCRYPTION.SET,
 		enabled,
@@ -36,7 +37,7 @@ export function encryptionSet(enabled = false, banner: any = null): IEncryptionS
 	};
 }
 
-export function encryptionSetBanner(banner: any = null): IEncryptionSetBanner {
+export function encryptionSetBanner(banner: IBanner = ''): IEncryptionSetBanner {
 	return {
 		type: ENCRYPTION.SET_BANNER,
 		banner
diff --git a/app/reducers/encryption.test.ts b/app/reducers/encryption.test.ts
index cf2a8118b..96abe2a7a 100644
--- a/app/reducers/encryption.test.ts
+++ b/app/reducers/encryption.test.ts
@@ -9,20 +9,20 @@ describe('test encryption reducer', () => {
 	});
 
 	it('should return modified store after encryptionSet', () => {
-		mockedStore.dispatch(encryptionSet(true, true));
+		mockedStore.dispatch(encryptionSet(true, 'BANNER'));
 		const state = mockedStore.getState().encryption;
-		expect(state).toEqual({ banner: true, enabled: true });
+		expect(state).toEqual({ banner: 'BANNER', enabled: true });
 	});
 
 	it('should return empty store after encryptionInit', () => {
 		mockedStore.dispatch(encryptionInit());
 		const state = mockedStore.getState().encryption;
-		expect(state).toEqual({ banner: null, enabled: false });
+		expect(state).toEqual({ banner: '', enabled: false });
 	});
 
 	it('should return initial state after encryptionSetBanner', () => {
-		mockedStore.dispatch(encryptionSetBanner(true));
+		mockedStore.dispatch(encryptionSetBanner('BANNER_NEW'));
 		const state = mockedStore.getState().encryption;
-		expect(state).toEqual({ banner: true, enabled: false });
+		expect(state).toEqual({ banner: 'BANNER_NEW', enabled: false });
 	});
 });
diff --git a/app/reducers/encryption.ts b/app/reducers/encryption.ts
index 5854c75ad..061dc7c94 100644
--- a/app/reducers/encryption.ts
+++ b/app/reducers/encryption.ts
@@ -1,15 +1,15 @@
 import { ENCRYPTION } from '../actions/actionsTypes';
 import { TApplicationActions } from '../definitions';
 
+export type IBanner = string;
 export interface IEncryption {
 	enabled: boolean;
-	// TODO
-	banner: any;
+	banner: IBanner;
 }
 
 export const initialState: IEncryption = {
 	enabled: false,
-	banner: null
+	banner: ''
 };
 
 export default function encryption(state = initialState, action: TApplicationActions): IEncryption {