diff --git a/API_SQLuedo/API/Controllers/UserController.cs b/API_SQLuedo/API/Controllers/UserController.cs
index c2442a7..1c1a6d4 100644
--- a/API_SQLuedo/API/Controllers/UserController.cs
+++ b/API_SQLuedo/API/Controllers/UserController.cs
@@ -159,12 +159,12 @@ namespace API.Controllers
 
             if (userService.IsEmailTaken(dto.Email))
             {
-                return BadRequest("Email déjà utilisé");
+                return StatusCode(409, "Email déjà utilisé");
             }
 
             if (userService.IsUsernameTaken(dto.Username))
             {
-                return BadRequest("Username déjà utilisé");
+                return StatusCode(410, "Username déjà utilisé");
             }
 
             // return Ok(userService.CreateUser(username, password, email, isAdmin));