diff --git a/src/entity/user_activity.ts b/src/entity/user_activity.ts
index a1ca88f..a516b49 100644
--- a/src/entity/user_activity.ts
+++ b/src/entity/user_activity.ts
@@ -13,7 +13,7 @@ export class UserActivity {
     @JoinColumn({ name: 'application' })
     application: Application
 
-    @ManyToOne(() => User, (user) => user.id, { nullable: true })
+    @ManyToOne(() => User, (user) => user.id, { nullable: true, onDelete: 'CASCADE' })
     @JoinColumn({ name: 'id_user' })
     user: User;
 
diff --git a/src/entity/users.ts b/src/entity/users.ts
index e942abf..e720bf2 100644
--- a/src/entity/users.ts
+++ b/src/entity/users.ts
@@ -37,7 +37,7 @@ export class User {
     })
     name: string;
 
-    @ManyToMany(() => UserRole, { onDelete: 'CASCADE' })
+    @ManyToMany(() => UserRole, { onDelete: 'RESTRICT' })
     @JoinTable()
     roles: UserRole[]