diff --git a/quic/core/quic_packets.cc b/quic/core/quic_packets.cc
index c975fe7..f54cf00 100644
--- a/quic/core/quic_packets.cc
+++ b/quic/core/quic_packets.cc
@@ -464,6 +464,7 @@
       transmission_type(NOT_RETRANSMISSION),
       has_ack_frame_copy(false),
       has_ack_frequency(false),
+      has_message(false),
       fate(SEND_TO_WRITER) {}
 
 SerializedPacket::SerializedPacket(SerializedPacket&& other)
@@ -477,6 +478,7 @@
       largest_acked(other.largest_acked),
       has_ack_frame_copy(other.has_ack_frame_copy),
       has_ack_frequency(other.has_ack_frequency),
+      has_message(other.has_message),
       fate(other.fate),
       peer_address(other.peer_address) {
   if (this != &other) {
@@ -522,6 +524,7 @@
   copy->transmission_type = serialized.transmission_type;
   copy->largest_acked = serialized.largest_acked;
   copy->has_ack_frequency = serialized.has_ack_frequency;
+  copy->has_message = serialized.has_message;
   copy->fate = serialized.fate;
   copy->peer_address = serialized.peer_address;