diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 4b3fcc8..c36dae2 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -15,7 +15,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_and_tls_allow_sni_without_dots, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_batch_writer_fix_write_blocked, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_avoid_too_low_probe_bw_cwnd, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_fix_bw_lo_mode, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_bbr2_fix_bw_lo_mode, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_can_send_ack_frequency, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_connection_support_multiple_cids_v4, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_conservative_bursts, false)