diff --git a/src/index.js b/src/index.js
index a28182e..5815d3f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,9 +1,11 @@
+const _REDUX_COOKIES_GET = 'REDUX_COOKIES_GET';
+
 let REDUX_COOKIES_GET = 'REDUX_COOKIES_GET';
 let REDUX_COOKIES_SET = 'REDUX_COOKIES_SET';
 let REDUX_COOKIES_EXPIRE = 'REDUX_COOKIES_EXPIRE';
 let REDUX_COOKIES_REMOVE = 'REDUX_COOKIES_REMOVE';
 
-export const getName = (prefix, itemName) => prefix + itemName;
+export const getName = (prefix, itemName) => `${prefix}${itemName}`;
 
 export const getCookie = name => {
   return { type: REDUX_COOKIES_GET, name };
@@ -24,10 +26,15 @@ export const removeCookie = (name, options) => {
 export const createCookieMiddleware = (cookies, prefix = '') => {
   const actionsMap = {};
 
-  REDUX_COOKIES_GET = getName(prefix, REDUX_COOKIES_GET);
-  REDUX_COOKIES_SET = getName(prefix, REDUX_COOKIES_SET);
-  REDUX_COOKIES_EXPIRE = getName(prefix, REDUX_COOKIES_EXPIRE);
-  REDUX_COOKIES_REMOVE = getName(prefix, REDUX_COOKIES_REMOVE);
+  // It is to check if it has prefixed
+  // You can only prefix once, subsequent prefix will be ignored
+  // https://github.com/iroy2000/redux-cookie/issues/3
+  if(_REDUX_COOKIES_GET === REDUX_COOKIES_GET) {
+    REDUX_COOKIES_GET = getName(prefix, REDUX_COOKIES_GET);
+    REDUX_COOKIES_SET = getName(prefix, REDUX_COOKIES_SET);
+    REDUX_COOKIES_EXPIRE = getName(prefix, REDUX_COOKIES_EXPIRE);
+    REDUX_COOKIES_REMOVE = getName(prefix, REDUX_COOKIES_REMOVE);
+  }
 
   actionsMap[REDUX_COOKIES_GET] = action => {
     try {