()?.InformationalVersion.Split('+').First();
}
diff --git a/Sample/IdentityServer/Views/Shared/_Nav.cshtml b/Sample/IdentityServer/Views/Shared/_Nav.cshtml
index 6ab6b70..6e68a5b 100644
--- a/Sample/IdentityServer/Views/Shared/_Nav.cshtml
+++ b/Sample/IdentityServer/Views/Shared/_Nav.cshtml
@@ -1,5 +1,5 @@
-@using IdentityServer4.Extensions
-
+@using Duende.IdentityServer.Extensions
+@using Microsoft.AspNetCore.Mvc.TagHelpers
@{
string name = null;
if (!true.Equals(ViewData["signed-out"]))