diff --git a/installandrun.sh b/installandrun.sh
index 5448595..2ddd5ec 100644
--- a/installandrun.sh
+++ b/installandrun.sh
@@ -4,6 +4,7 @@ npm install hapi
 npm install express
 npm install restify
 npm install koa
+npm install bluebird
 npm install n
 npm install total.js
 n install latest
@@ -38,4 +39,4 @@ sleep 5
 echo total.js >> results.txt ;
 node totalserver/total.js & sleep 5 ; ab -k -n 50000 -c 100 -t 20 http://127.0.0.1:8000/ | grep "Requests per second:" >> results.txt ;
 pkill -f total ;
-sleep 5
\ No newline at end of file
+sleep 5
diff --git a/koaserver.js b/koaserver.js
index 5d42e0f..3b7a63c 100644
--- a/koaserver.js
+++ b/koaserver.js
@@ -1,3 +1,4 @@
+global.Promise = require('bluebird');
 var koa = require('koa');
 var app = koa();
 
@@ -6,4 +7,4 @@ app.use(function *(){
   this.body = 'Hello World!';
 });
 
-app.listen(8000);
\ No newline at end of file
+app.listen(8000);