diff --git a/lib/notification/index.js b/lib/notification/index.js
index 4e136bef..8abd0b41 100644
--- a/lib/notification/index.js
+++ b/lib/notification/index.js
@@ -9,7 +9,7 @@ function Notification (payload) {
   this.compiled = false;
 
   this.aps = {};
-  this.expiry = 0;
+  this.expiry = -1;
   this.priority = 10;
 
   if (payload) {
@@ -46,7 +46,7 @@ Notification.prototype.headers = function headers() {
     headers["apns-id"] = this.id;
   }
 
-  if (this.expiry > 0) {
+  if (this.expiry >= 0) {
     headers["apns-expiration"] = this.expiry;
   }