diff --git a/patch-schema/event_quests.sql b/patch-schema/event_quests.sql
index 85e7bccfe..8350d0a70 100644
--- a/patch-schema/event_quests.sql
+++ b/patch-schema/event_quests.sql
@@ -2,7 +2,7 @@ BEGIN;
 
 create table if not exists event_quests
 (
-    id          serial,
+    id          serial primary key,
     max_players integer,
     quest_type  integer,
     quest_id    uint16 not null