diff --git a/src/routes/user/user.service.ts b/src/routes/user/user.service.ts
index 83eebf5..aa0cd0b 100644
--- a/src/routes/user/user.service.ts
+++ b/src/routes/user/user.service.ts
@@ -1,4 +1,4 @@
-import { BadRequestException, ForbiddenException, Injectable, NotFoundException } from "@nestjs/common";
+import { BadRequestException, ConflictException, ForbiddenException, Injectable, NotFoundException } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { RoleType, StatutUtilisateurType, Users } from "src/entities/users.entity";
 import { Repository } from "typeorm";
@@ -29,6 +29,9 @@ export class UserService {
         // Déterminer si le créateur est super admin
         const isSuperAdmin = currentUser?.role === RoleType.SUPER_ADMIN;
 
+        const exist = await this.usersRepository.findOneBy({ email: dto.email });
+        if (exist) throw new ConflictException('Email déjà utilisé');
+
         let role: RoleType;
 
         if (isSuperAdmin) {