diff --git a/src/index.js b/src/index.js
index 2ecf558..350d3e6 100644
--- a/src/index.js
+++ b/src/index.js
@@ -4,6 +4,11 @@ function isPromise(val) {
   return val && typeof val.then === 'function';
 }
 
+function isFetchRequest(request) {
+  if (!global.fetch) return request;
+  return request.bodyUsed === undefined ? request : request.json();
+}
+
 export default function promiseMiddleware({ dispatch }) {
   return next => action => {
     if (!isFSA(action)) {
@@ -14,7 +19,7 @@ export default function promiseMiddleware({ dispatch }) {
 
     return isPromise(action.payload)
       ? action.payload.then(
-          result => dispatch({ ...action, payload: result }),
+          result => dispatch({ ...action, payload: isFetchRequest(result) }),
           error => {
             dispatch({ ...action, payload: error, error: true });
             return Promise.reject(error);