diff --git a/quiche/common/quiche_feature_flags_list.h b/quiche/common/quiche_feature_flags_list.h
index 8e91640..e4e6774 100755
--- a/quiche/common/quiche_feature_flags_list.h
+++ b/quiche/common/quiche_feature_flags_list.h
@@ -16,7 +16,7 @@
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_bbr_always_exit_startup_on_loss, false, false, "Lets BBRv1 exit STARTUP if a large number of packets was lost even if there is no non-app-limited samples. Similar to applying connection option B1AL to all connection.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_bbr_exit_startup_on_loss_network_param, false, true, "Enables adjustment of BBRv1's exit-startup-on-loss behavior on established connections via NetworkParams::enable_bbr_exit_startup_on_loss.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_block_until_settings_received_copt, true, true, "If enabled and a BSUS connection is received, blocks server connections until SETTINGS frame is received.")
-QUICHE_FLAG(bool, quiche_reloadable_flag_quic_check_alternate_reset_token, false, false, "When true, checks the stateless reset token on a path probe using the alternate path's token")
+QUICHE_FLAG(bool, quiche_reloadable_flag_quic_check_alternate_reset_token, false, true, "When true, checks the stateless reset token on a path probe using the alternate path's token")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_clear_packet_on_serialization_failure, false, false, "If true, clear QuicPacketCreator state when serialization failure.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_client_check_blockage_before_on_can_write, false, false, "If true, quic clients will only call OnCanWrite() upon write events if the writer is unblocked.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_close_on_idle_timeout, false, false, "If true, closes the connection if it has exceeded the idle timeout when deciding whether to open a stream.")