diff --git a/samples/ChatSample/Models/ApplicationUser.cs b/samples/ChatSample/Models/ApplicationUser.cs
index 7e9a6207bf..8527bc542e 100644
--- a/samples/ChatSample/Models/ApplicationUser.cs
+++ b/samples/ChatSample/Models/ApplicationUser.cs
@@ -5,7 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.AspNetCore.Identity;
 
 namespace ChatSample.Models
 {