diff --git a/src/entity/room.ts b/src/entity/room.ts
index ba9c411..d11ec8f 100644
--- a/src/entity/room.ts
+++ b/src/entity/room.ts
@@ -6,6 +6,7 @@ import { Status } from "../types/status";
 import { Department } from "./department";
 import { Service } from "./service";
 import { RoomStock } from "./pharmacy-logistic/room_stock";
+import { ServiceClass } from "./service_class";
 
 @Entity("rooms")
 export class Room {
@@ -49,6 +50,10 @@ export class Room {
 	@JoinColumn()
 	department: Department;
 
+	@ManyToOne(() => ServiceClass, { onDelete: "NO ACTION", nullable: true })
+	@JoinColumn()
+	serviceclass: ServiceClass;
+
 	@Column({
 		nullable: false,
 		length: 64,