diff --git a/lib/partner.js b/lib/partner.js
index 3c7193f..d48efef 100644
--- a/lib/partner.js
+++ b/lib/partner.js
@@ -1,7 +1,5 @@
-const uniqid = require('uniqid');
 const hit = require('./hit');
 
-exports.buy = (task) => {
-    const xid = uniqid();
+exports.buy = (task, xid) => {
     hit(xid, task);
 };