diff --git a/src/__tests__/createAction-test.js b/src/__tests__/createAction-test.js
index 1265dd9a..ca4787af 100644
--- a/src/__tests__/createAction-test.js
+++ b/src/__tests__/createAction-test.js
@@ -95,11 +95,12 @@ describe('createAction()', () => {
 
       const explictNullAction = createAction(type)(null);
       expect(explictNullAction).to.deep.equal({
-        type
+        type,
+        payload: null
       });
 
       const baz = '1';
-      const actionCreator = createAction(type, null, () => ({ bar: baz }));
+      const actionCreator = createAction(type, undefined, () => ({ bar: baz }));
       expect(actionCreator()).to.deep.equal({
         type,
         meta: {
diff --git a/src/createAction.js b/src/createAction.js
index 89fa274a..7b34f4b2 100644
--- a/src/createAction.js
+++ b/src/createAction.js
@@ -1,4 +1,5 @@
 import identity from 'lodash/identity';
+import isUndefined from 'lodash/isUndefined';
 
 export default function createAction(type, payloadCreator, metaCreator) {
   const finalPayloadCreator = typeof payloadCreator === 'function'
@@ -13,7 +14,7 @@ export default function createAction(type, payloadCreator, metaCreator) {
     };
 
     const payload = hasError ? args[0] : finalPayloadCreator(...args);
-    if (!(payload === null || payload === undefined)) {
+    if (!isUndefined(payload)) {
       action.payload = payload;
     }