diff --git a/PyroFetes/DTO/Supplier/Response/GetSupplierDto.cs b/PyroFetes/DTO/Supplier/Response/GetSupplierDto.cs
index 1fc9a60..dbd2ffb 100644
--- a/PyroFetes/DTO/Supplier/Response/GetSupplierDto.cs
+++ b/PyroFetes/DTO/Supplier/Response/GetSupplierDto.cs
@@ -1,3 +1,5 @@
+using PyroFetes.DTO.Product.Response;
+
 namespace PyroFetes.DTO.Supplier.Response;
 
 public class GetSupplierDto
@@ -10,4 +12,5 @@ public class GetSupplierDto
     public string? ZipCode { get; set; }
     public string? City { get; set; }
     public int DeliveryDelay { get; set; }
+    public List<GetProductDto>? Products { get; set; }
 }
\ No newline at end of file
diff --git a/PyroFetes/Endpoints/Users/CreateUserEndpoint.cs b/PyroFetes/Endpoints/Users/CreateUserEndpoint.cs
index 1a014d9..73c557b 100644
--- a/PyroFetes/Endpoints/Users/CreateUserEndpoint.cs
+++ b/PyroFetes/Endpoints/Users/CreateUserEndpoint.cs
@@ -4,6 +4,7 @@ using PyroFetes.DTO.User.Request;
 using PyroFetes.DTO.User.Response;
 using PyroFetes.Models;
 using PyroFetes.Repositories;
+using PyroFetes.Specifications.Users;
 
 namespace PyroFetes.Endpoints.Users;
 
@@ -19,6 +20,14 @@ public class CreateUserEndpoint(
 
     public override async Task HandleAsync(CreateUserDto req, CancellationToken ct)
     {
+        User? ckeckName = await usersRepository.FirstOrDefaultAsync(new GetUserByNameSpec(req.Name!), ct);
+        
+        if (ckeckName != null)
+        {
+            await Send.StringAsync("Ce nom d'utilisateur existe déjà.",409, cancellation: ct);
+            return;
+        }
+        
         string? salt = new Password().IncludeLowercase().IncludeUppercase().IncludeNumeric().LengthRequired(24).Next();
         
         User user = new User()
diff --git a/PyroFetes/Endpoints/Users/UpdateUserEndpoint.cs b/PyroFetes/Endpoints/Users/UpdateUserEndpoint.cs
index b50439d..46eac23 100644
--- a/PyroFetes/Endpoints/Users/UpdateUserEndpoint.cs
+++ b/PyroFetes/Endpoints/Users/UpdateUserEndpoint.cs
@@ -30,7 +30,7 @@ public class UpdateUserEndpoint(
             return;
         }
         
-        if (ckeckName != null)
+        if (ckeckName != null && ckeckName.Id != user.Id)
         {
             await Send.StringAsync("Ce nom d'utilisateur existe déjà.",409, cancellation: ct);
             return;