diff --git a/hwe/sql/schema.sql b/hwe/sql/schema.sql
index 6328d6a9..7cec1362 100644
--- a/hwe/sql/schema.sql
+++ b/hwe/sql/schema.sql
@@ -142,7 +142,7 @@ CREATE TABLE `nation_turn` (
 	`arg` TEXT NULL DEFAULT NULL COLLATE 'utf8mb4_bin',
 	`brief` TEXT NULL DEFAULT NULL,
 	PRIMARY KEY (`id`),
-	UNIQUE INDEX `nation` (`nation_id`, `officer_level`, `turn_idx`)
+	UNIQUE INDEX `nation` (`nation_id`, `officer_level`, `turn_idx`),
 	CONSTRAINT `json` CHECK (json_valid(`arg`))
 ) COLLATE = 'utf8mb4_general_ci' ENGINE = Aria;
 ##############################