diff --git a/lib/index.js b/lib/index.js
index 2d15451..685e66e 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,7 +1,7 @@
 'use strict';
 
 Object.defineProperty(exports, "__esModule", {
-    value: true
+    value: true,
 });
 exports.composeReducers = exports.createReducer = undefined;
 
diff --git a/test/createReducerTest.js b/test/createReducerTest.js
index 18ca686..f875226 100644
--- a/test/createReducerTest.js
+++ b/test/createReducerTest.js
@@ -1,8 +1,8 @@
 /* global describe, it, before */
 
 import chai from 'chai';
-import {createReducer} from '../src';
 import {createStore} from 'redux';
+import {createReducer} from '../src';
 
 chai.expect();
 
@@ -25,6 +25,18 @@ describe('Test init', () => {
     });
 });
 
+describe('Test init', () => {
+    before(() => {
+        reducer = createReducer().toFunction();
+        store = createStore(reducer);
+    });
+    describe('Test reducer with default initial state', () => {
+        it('should be empty object', () => {
+            expect(store.getState()).to.deep.equal({});
+        });
+    });
+});
+
 describe('Test state mutation', () => {
     before(() => {
         reducer = createReducer({