diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 1420eb0..c246877 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -42,7 +42,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_t050, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_t051, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_discard_initial_packet_with_key_dropped, true)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_do_not_clip_received_error_code, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_do_not_clip_received_error_code, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_aead_limits, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_mtu_discovery_at_server, false)