diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index ac8de8a..ec44d48 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -37,7 +37,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_q043, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_q046, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_q050, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_t050, false)
+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)