diff --git a/apps/server/src/entities/bed.entity.ts b/apps/server/src/entities/bed.entity.ts
index 1fddf39..4c94de1 100644
--- a/apps/server/src/entities/bed.entity.ts
+++ b/apps/server/src/entities/bed.entity.ts
@@ -6,9 +6,12 @@ import {
   UpdateDateColumn,
   ManyToOne,
   JoinColumn,
+  Unique,
 } from 'typeorm';
 import { Room } from './room.entity';
 
+@Unique(['roomId', 'bedNumber'])
+
 @Entity('beds')
 export class Bed {
   @PrimaryGeneratedColumn()
diff --git a/apps/server/src/entities/locker.entity.ts b/apps/server/src/entities/locker.entity.ts
index 8af69fd..e95960d 100644
--- a/apps/server/src/entities/locker.entity.ts
+++ b/apps/server/src/entities/locker.entity.ts
@@ -6,9 +6,12 @@ import {
   UpdateDateColumn,
   ManyToOne,
   JoinColumn,
+  Unique,
 } from 'typeorm';
 import { Room } from './room.entity';
 
+@Unique(['roomId', 'lockerNumber'])
+
 @Entity('lockers')
 export class Locker {
   @PrimaryGeneratedColumn()