diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index f9d12df..ed496e1 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -59,7 +59,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_fix_willing_and_able_to_write2, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_give_sent_packet_to_debug_visitor_after_sent, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_goaway_with_max_stream_id, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_granular_qpack_error_codes, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_granular_qpack_error_codes, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_key_update_supported, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_let_connection_handle_pings, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_new_priority_update_frame, true)