diff --git a/data/sql/updates/pending_db_world/game-event-npc-vendor-key.sql b/data/sql/updates/pending_db_world/game-event-npc-vendor-key.sql
new file mode 100644
index 000000000..d366fa3dc
--- /dev/null
+++ b/data/sql/updates/pending_db_world/game-event-npc-vendor-key.sql
@@ -0,0 +1,3 @@
+ALTER TABLE `game_event_npc_vendor`
+	DROP PRIMARY KEY,
+	ADD PRIMARY KEY (`eventEntry`, `guid`, `item`) USING BTREE;