diff --git a/lib/methods/refresh.js b/lib/methods/refresh.js
index f3d2245..d3d1ef2 100644
--- a/lib/methods/refresh.js
+++ b/lib/methods/refresh.js
@@ -8,13 +8,13 @@ var refresh = function(server) {
 };
 
 refresh.prototype.refresh = function(msg, reply) {
-  var desiredLifetime = this.server.defaultLifetime;
-  var lifetime = msg.getAttribute('lifetime');
+  var desiredLifetime = this.server.defaultAllocatetLifetime;
+  var lifetime = msg.getAttribute('lifetime') || desiredLifetime;
   if (lifetime !== void 0) {
     if (lifetime === 0) {
       desiredLifetime = 0;
     } else {
-      desiredLifetime = Math.min(lifetime, this.server.maxAllocateTimeout);
+      desiredLifetime = Math.min(lifetime, this.server.defaultAllocatetLifetime);
     }
   }