diff --git a/Nop.Plugin.Api/Controllers/CustomersController.cs b/Nop.Plugin.Api/Controllers/CustomersController.cs
index 0b9a81c..fd0c8bd 100644
--- a/Nop.Plugin.Api/Controllers/CustomersController.cs
+++ b/Nop.Plugin.Api/Controllers/CustomersController.cs
@@ -253,7 +253,8 @@ public IActionResult CreateCustomer([ModelBinder(typeof(JsonModelBinder<Customer
                 {
                     address.CreatedOnUtc = DateTime.UtcNow;
                 }
-                newCustomer.Addresses.Add(address.ToEntity());
+                var addressEntity = address.ToEntity();
+                newCustomer.CustomerAddressMappings.Add(new CustomerAddressMapping { Address = addressEntity });
             }
             
             CustomerService.InsertCustomer(newCustomer);
@@ -558,4 +559,4 @@ private void AddPassword(string newPassword, Customer customer)
             CustomerService.UpdateCustomer(customer);
         }
     }
-}
\ No newline at end of file
+}