diff --git a/dotnet/src/dotnetcore/GxNetCoreStartup/Startup.cs b/dotnet/src/dotnetcore/GxNetCoreStartup/Startup.cs
index 819ca275f..b90fd4050 100644
--- a/dotnet/src/dotnetcore/GxNetCoreStartup/Startup.cs
+++ b/dotnet/src/dotnetcore/GxNetCoreStartup/Startup.cs
@@ -347,6 +347,7 @@ public void Configure(IApplicationBuilder app, Microsoft.AspNetCore.Hosting.IHos
 			provider.Mappings[".usdz"] = "model/vnd.pixar.usd";
 			provider.Mappings[".sfb"] = "model/sfb";
 			provider.Mappings[".gltf"] = "model/gltf+json";
+			provider.Mappings[".ini"] = "text/plain";
 			if (GXUtil.CompressResponse())
 			{
 				app.UseResponseCompression();