diff --git a/libs/common/src/modules/user-space/entities/user.space.entity.ts b/libs/common/src/modules/user-space/entities/user.space.entity.ts
index c41dfc0..a6caaa5 100644
--- a/libs/common/src/modules/user-space/entities/user.space.entity.ts
+++ b/libs/common/src/modules/user-space/entities/user.space.entity.ts
@@ -1,10 +1,11 @@
-import { Column, Entity, ManyToOne } from 'typeorm';
+import { Column, Entity, ManyToOne, Unique } from 'typeorm';
 import { UserSpaceDto } from '../dtos';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { SpaceEntity } from '../../space/entities';
 import { UserEntity } from '../../user/entities';
 
 @Entity({ name: 'user-space' })
+@Unique(['user', 'space'])
 export class UserSpaceEntity extends AbstractEntity<UserSpaceDto> {
   @Column({
     type: 'uuid',