diff --git a/lib/session.js b/lib/session.js
index 0f0d94b..d38d7e0 100644
--- a/lib/session.js
+++ b/lib/session.js
@@ -409,11 +409,13 @@ Incoming.prototype.process = function (session) {
 };
 
 Incoming.prototype.on_begin = function (fields) {
+    this.next_transfer_id = fields.next_outgoing_id;
     this.remote_window = fields.outgoing_window;
     this.remote_next_transfer_id = fields.next_outgoing_id;
 };
 
 Incoming.prototype.on_flow = function (fields) {
+    this.next_transfer_id = fields.next_outgoing_id;
     this.remote_next_transfer_id = fields.next_outgoing_id;
     this.remote_window = fields.outgoing_window;
 };