diff --git a/quic/core/quic_packets.h b/quic/core/quic_packets.h
index 5c34b64..7faa741 100644
--- a/quic/core/quic_packets.h
+++ b/quic/core/quic_packets.h
@@ -437,6 +437,8 @@
 
   // Fields below are populated by QuicFramer::ProcessPacketDispatcher.
   PacketHeaderFormat form;
+  // This is only used if the form is IETF_QUIC_LONG_HEADER_PACKET.
+  QuicLongHeaderType long_packet_type;
   bool version_flag;
   bool use_length_prefix;
   QuicVersionLabel version_label;