diff --git a/data/sql/updates/pending_db_world/rev_1778350030492406400.sql b/data/sql/updates/pending_db_world/rev_1778350030492406400.sql
new file mode 100644
index 000000000..7dc4159c2
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1778350030492406400.sql
@@ -0,0 +1,6 @@
+-- Restore TEMPSUMMON_MANUAL_DESPAWN (8) with no timer for Thiassi -> Antiok
+-- accessory. With timer 0 this is rewritten to TEMPSUMMON_DEAD_DESPAWN at
+-- runtime, so Antiok only despawns when he dies and no longer ticks down
+-- while seated on Thiassi pre-engage.
+UPDATE `vehicle_template_accessory` SET `summontype` = 8, `summontimer` = 0
+    WHERE `entry` = 28018 AND `accessory_entry` = 28006;