diff --git a/dotnet/samples/Hello/Hello.AppHost/Program.cs b/dotnet/samples/Hello/Hello.AppHost/Program.cs
index f8964a22b03d..e550542a8b40 100644
--- a/dotnet/samples/Hello/Hello.AppHost/Program.cs
+++ b/dotnet/samples/Hello/Hello.AppHost/Program.cs
@@ -7,13 +7,14 @@
 var backend = builder.AddProject<Projects.Backend>("backend").WithExternalHttpEndpoints();
 var client = builder.AddProject<Projects.HelloAgent>("HelloAgentsDotNET")
     .WithReference(backend)
-    .WithEnvironment("AGENT_HOST", $"{backend.GetEndpoint("https").Property(EndpointProperty.Url)}")
+    .WithEnvironment("AGENT_HOST", backend.GetEndpoint("https"))
     .WithEnvironment("STAY_ALIVE_ON_GOODBYE", "true")
     .WaitFor(backend);
 #pragma warning disable ASPIREHOSTINGPYTHON001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
+// xlang is over http for now - in prod use TLS between containers
 builder.AddPythonApp("HelloAgentsPython", "../HelloPythonAgent", "hello_python_agent.py", "../../../../python/.venv")
     .WithReference(backend)
-    .WithEnvironment("AGENT_HOST", $"{backend.GetEndpoint("http").Property(EndpointProperty.Url)}")
+    .WithEnvironment("AGENT_HOST", backend.GetEndpoint("http"))
     .WithEnvironment("STAY_ALIVE_ON_GOODBYE", "true")
     .WithEnvironment("GRPC_DNS_RESOLVER", "native")
     .WithOtlpExporter()