diff --git a/index.js b/index.js
index 5b2aa49..25fa28c 100644
--- a/index.js
+++ b/index.js
@@ -100,7 +100,7 @@ module.exports = {
     let stamp = ((Date.now() / 1000) >>> 0).toString(16)
 
     rand = rand.replace(/^([0-9a-z]{4})([0-9a-z]{4})([0-9a-z]{8})$/, '$1-$2-$3')
-    return stam + '-' + prand
+    return stamp + '-' + rand
   },
 
   /**