diff --git a/partner-datacell.js b/partner-datacell.js
index 1f0264f..187f2f5 100644
--- a/partner-datacell.js
+++ b/partner-datacell.js
@@ -1,3 +1,4 @@
+var http = require('http');
 var url = require('url');
 var math = require('mathjs');
 var xml = require('xml');