diff --git a/server/tests/Vanguard.Server.Tests/OrleansServerE2ETests.cs b/server/tests/Vanguard.Server.Tests/OrleansServerE2ETests.cs
index 06e42dd..edc1a64 100644
--- a/server/tests/Vanguard.Server.Tests/OrleansServerE2ETests.cs
+++ b/server/tests/Vanguard.Server.Tests/OrleansServerE2ETests.cs
@@ -53,11 +53,7 @@ public class OrleansServerE2ETests
 
     private static WebApplicationFactory<Program> NewFactory() =>
         new WebApplicationFactory<Program>().WithWebHostBuilder(builder =>
-            builder.ConfigureHostConfiguration(config =>
-                config.AddInMemoryCollection(new Dictionary<string, string?>
-                {
-                    ["Orleans:Enabled"] = "true",
-                })));
+            builder.UseSetting("Orleans:Enabled", "true"));
 
     private static async Task<QueueAccepted> EnqueueAsync(
         HttpClient http,