diff --git a/aspnetcore/docfx.json b/aspnetcore/docfx.json
index 6773bedb08..db188c144b 100644
--- a/aspnetcore/docfx.json
+++ b/aspnetcore/docfx.json
@@ -53,6 +53,7 @@
       "feedback_product_url": "https://github.com/aspnet/Home/blob/master/CONTRIBUTING.md",
       "feedback_system": "GitHub",
       "ms.prod": "aspnet-core",
+      "uhfHeaderId": "MSDocsHeader-DotNet",
       "searchScope": [
         "ASP.NET Core"
       ]