diff --git a/quic/core/quic_stream.h b/quic/core/quic_stream.h
index 4f13e7f..57bfede 100644
--- a/quic/core/quic_stream.h
+++ b/quic/core/quic_stream.h
@@ -297,6 +297,7 @@
                                   QuicByteCount data_length,
                                   bool fin_acked,
                                   QuicTime::Delta ack_delay_time,
+                                  QuicTime receive_timestamp,
                                   QuicByteCount* newly_acked_length);
 
   // Called when data [offset, offset + data_length) was retransmitted.