diff --git a/samples/IdentitySample.Mvc/Views/Shared/_LoginPartial.cshtml b/samples/IdentitySample.Mvc/Views/Shared/_LoginPartial.cshtml
index 2bf5d2dbf1..2339f45a45 100644
--- a/samples/IdentitySample.Mvc/Views/Shared/_LoginPartial.cshtml
+++ b/samples/IdentitySample.Mvc/Views/Shared/_LoginPartial.cshtml
@@ -1,4 +1,4 @@
-@using System.Security.Principal
+@using System.Security.Claims
 
 @if (User.IsSignedIn())
 {