diff --git a/quiche/quic/core/quic_flags_list.h b/quiche/quic/core/quic_flags_list.h
index f3af359..e145be8 100644
--- a/quiche/quic/core/quic_flags_list.h
+++ b/quiche/quic/core/quic_flags_list.h
@@ -34,7 +34,7 @@
 // If true, default-enable 5RTO blachole detection.
 QUIC_FLAG(quic_reloadable_flag_quic_default_enable_5rto_blackhole_detection2, true)
 // If true, delay setting of stateless reset token until session initialization.
-QUIC_FLAG(quic_reloadable_flag_quic_delay_setting_stateless_reset_token, false)
+QUIC_FLAG(quic_reloadable_flag_quic_delay_setting_stateless_reset_token, true)
 // If true, disable QUIC version Q043.
 QUIC_FLAG(quic_reloadable_flag_quic_disable_version_q043, false)
 // If true, disable QUIC version Q046.