diff --git a/src/Components/Blazor/Templates/src/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Server/Startup.cs b/src/Components/Blazor/Templates/src/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Server/Startup.cs
index ea33b37150..5dbe24ce21 100644
--- a/src/Components/Blazor/Templates/src/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Server/Startup.cs
+++ b/src/Components/Blazor/Templates/src/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Server/Startup.cs
@@ -14,7 +14,11 @@ namespace BlazorHosted_CSharp.Server
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddMvc().AddNewtonsoftJson();
-            services.AddResponseCompression();
+            services.AddResponseCompression(opts =>
+            {
+                opts.MimeTypes = ResponseCompressionDefaults.MimeTypes.Concat(
+                    new[] { "application/octet-stream" });
+            });
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.