diff --git a/apps/backend/src/app/db/schema.ts b/apps/backend/src/app/db/schema.ts
index 1db1433..fc6d47c 100644
--- a/apps/backend/src/app/db/schema.ts
+++ b/apps/backend/src/app/db/schema.ts
@@ -170,6 +170,8 @@ export const FilesForMachinesTable = pgTable("files_for_machines", {
 });
 
 export const FilesTypeForMachine = pgTable("f_type_for_machines", {
+	id: p.uuid("id").unique().primaryKey().defaultRandom().notNull(),
+
 	machineId: p
 		.uuid("machine_id")
 		.notNull()