diff --git a/libs/common/src/modules/space/entities/space.entity.ts b/libs/common/src/modules/space/entities/space.entity.ts
index 38d4c5e..8aa717a 100644
--- a/libs/common/src/modules/space/entities/space.entity.ts
+++ b/libs/common/src/modules/space/entities/space.entity.ts
@@ -48,7 +48,10 @@ export class SpaceEntity extends AbstractEntity<SpaceDto> {
   @ManyToOne(() => SpaceEntity, (space) => space.children, { nullable: true })
   parent: SpaceEntity;
 
-  @OneToMany(() => SpaceEntity, (space) => space.parent)
+  @OneToMany(() => SpaceEntity, (space) => space.parent, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   children: SpaceEntity[];
 
   @OneToMany(() => UserSpaceEntity, (userSpace) => userSpace.space)
diff --git a/src/space/services/space.service.ts b/src/space/services/space.service.ts
index 44d27ba..6e3e600 100644
--- a/src/space/services/space.service.ts
+++ b/src/space/services/space.service.ts
@@ -126,8 +126,8 @@ export class SpaceService {
     try {
       // First, check if the community exists
       const space = await this.validateCommunityAndSpace(
-        spaceUuid,
         communityUuid,
+        spaceUuid,
       );
 
       // Delete the space