diff --git a/master.js b/master.js
index d66de2b..53edbe4 100644
--- a/master.js
+++ b/master.js
@@ -92,6 +92,7 @@ module.exports.create = function (opts) {
   var PromiseA = opts.PromiseA || global.Promise || require('bluebird');
   var init = false;
 
+  opts._promise = PromiseA.resolve(opts.instance);
   opts._promise.addWorker = function (w) {
     if (!init) {
       init = true;
@@ -100,7 +101,5 @@ module.exports.create = function (opts) {
     return opts.master.addWorker(w);
   };
 
-  opts._promise = PromiseA.resolve(opts.instance);
-
   return opts._promise;
 };
diff --git a/package.json b/package.json
index 62f2c8e..3423313 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cluster-rpc",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "A simple way to wrap a single-instance module to enable it to work with node cluster.",
   "main": "index.js",
   "scripts": {