diff --git a/quiche/common/quiche_feature_flags_list.h b/quiche/common/quiche_feature_flags_list.h
index 77287b8..e617338 100755
--- a/quiche/common/quiche_feature_flags_list.h
+++ b/quiche/common/quiche_feature_flags_list.h
@@ -33,7 +33,7 @@
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_disable_version_q046, false, true, "If true, disable QUIC version Q046.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_disable_version_rfcv1, false, false, "If true, disable QUIC version h3 (RFCv1).")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_discard_initial_packet_with_key_dropped, false, true, "If true, discard INITIAL packet if the key has been dropped.")
-QUICHE_FLAG(bool, quiche_reloadable_flag_quic_dispatcher_only_serialize_close_if_closed_by_self, false, false, "If true, QuicDispatcher::CleanUpSession only serializes a connection close if the connection is closed by self, did not complete handshake and does not have termination packets.")
+QUICHE_FLAG(bool, quiche_reloadable_flag_quic_dispatcher_only_serialize_close_if_closed_by_self, false, true, "If true, QuicDispatcher::CleanUpSession only serializes a connection close if the connection is closed by self, did not complete handshake and does not have termination packets.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_ecn_in_first_ack, true, true, "When true, reports ECN in counts in the ACK of the a client initial that goes in the buffered packet store.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_enable_chaos_protection_v2, false, true, "If true, enable Chaos Protection v2 and use new QuicChaosProtector implementation.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_enable_disable_resumption, true, true, "If true, disable resumption when receiving NRES connection option.")