diff --git a/quic/core/quic_packets.cc b/quic/core/quic_packets.cc
index 0352056..139fcda 100644
--- a/quic/core/quic_packets.cc
+++ b/quic/core/quic_packets.cc
@@ -502,6 +502,7 @@
       peer_address(peer_address),
       packet(packet),
       form(GOOGLE_QUIC_PACKET),
+      long_packet_type(INVALID_PACKET_TYPE),
       version_flag(false),
       use_length_prefix(false),
       version_label(0),