diff --git a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/.template.config.src/vs-2017.3.host.json b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/.template.config.src/vs-2017.3.host.json
index f9df41d118..440039c6b4 100644
--- a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/.template.config.src/vs-2017.3.host.json
+++ b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/.template.config.src/vs-2017.3.host.json
@@ -15,5 +15,9 @@
   "learnMoreLink": "https://github.com/aspnet/blazor",
   "uiFilters": [
     "oneaspnet"
-  ]
+  ],
+  "additionalWizardParameters":
+  {
+      "$isMultiProjectTemplate$": "true"
+  }
 }
\ No newline at end of file