diff --git a/apps/backend/src/app/db/schema.ts b/apps/backend/src/app/db/schema.ts
index a94c22c..55b9956 100644
--- a/apps/backend/src/app/db/schema.ts
+++ b/apps/backend/src/app/db/schema.ts
@@ -153,6 +153,8 @@ export const MachinesTable = pgTable("machines", {
 
 //TODO Many to Many table betwen File en Machine
 export const FilesForMachinesTable = pgTable("files_for_machines", {
+	id: p.uuid('id').primaryKey().notNull().defaultRandom(),
+
 	fileId: p
 		.uuid("file_id")
 		.notNull()