diff --git a/host/src/FunctionsNetHost/Environment/EnvironmentVariables.cs b/host/src/FunctionsNetHost/Environment/EnvironmentVariables.cs
index 4a2b5a401..362bdd9e9 100644
--- a/host/src/FunctionsNetHost/Environment/EnvironmentVariables.cs
+++ b/host/src/FunctionsNetHost/Environment/EnvironmentVariables.cs
@@ -14,4 +14,9 @@ internal static class EnvironmentVariables
     /// Application pool Id for the placeholder app. Only available in Windows(when running in IIS).
     /// </summary>
     internal const string AppPoolId  = "APP_POOL_ID";
+
+    /// <summary>
+    /// Environment variable for sending ServerUri to the worker.
+    /// </summary>
+    internal const string HostEndpoint = "Functions:Worker:HostEndpoint";
 }
diff --git a/host/src/FunctionsNetHost/Grpc/GrpcClient.cs b/host/src/FunctionsNetHost/Grpc/GrpcClient.cs
index c910c645f..d385f1c45 100644
--- a/host/src/FunctionsNetHost/Grpc/GrpcClient.cs
+++ b/host/src/FunctionsNetHost/Grpc/GrpcClient.cs
@@ -28,7 +28,7 @@ internal GrpcClient(GrpcWorkerStartupOptions grpcWorkerStartupOptions, AppLoader
 
             _outgoingMessageChannel = Channel.CreateUnbounded<StreamingMessage>(channelOptions);
 
-            _messageHandler = new IncomingGrpcMessageHandler(appLoader);
+            _messageHandler = new IncomingGrpcMessageHandler(appLoader, _grpcWorkerStartupOptions);
         }
 
         internal async Task InitAsync()
diff --git a/host/src/FunctionsNetHost/Grpc/IncomingGrpcMessageHandler.cs b/host/src/FunctionsNetHost/Grpc/IncomingGrpcMessageHandler.cs
index 5380d71f3..8878780ed 100644
--- a/host/src/FunctionsNetHost/Grpc/IncomingGrpcMessageHandler.cs
+++ b/host/src/FunctionsNetHost/Grpc/IncomingGrpcMessageHandler.cs
@@ -10,10 +10,12 @@ internal sealed class IncomingGrpcMessageHandler
     {
         private bool _specializationDone;
         private readonly AppLoader _appLoader;
+        private readonly GrpcWorkerStartupOptions _grpcWorkerStartupOptions;
 
-        internal IncomingGrpcMessageHandler(AppLoader appLoader)
+        internal IncomingGrpcMessageHandler(AppLoader appLoader, GrpcWorkerStartupOptions grpcWorkerStartupOptions)
         {
             _appLoader = appLoader;
+            _grpcWorkerStartupOptions = grpcWorkerStartupOptions;
         }
 
         internal Task ProcessMessageAsync(StreamingMessage message)
@@ -78,6 +80,8 @@ private async Task Process(StreamingMessage msg)
                         EnvironmentUtils.SetValue(kv.Key, kv.Value);
                     }
 
+                    EnvironmentUtils.SetValue(EnvironmentVariables.HostEndpoint, _grpcWorkerStartupOptions.ServerUri.ToString());
+
 #pragma warning disable CS4014
                     Task.Run(() =>
 #pragma warning restore CS4014
diff --git a/host/tools/build/Microsoft.Azure.Functions.DotnetIsolatedNativeHost.nuspec b/host/tools/build/Microsoft.Azure.Functions.DotnetIsolatedNativeHost.nuspec
index 3626bb47a..1b77dda92 100644
--- a/host/tools/build/Microsoft.Azure.Functions.DotnetIsolatedNativeHost.nuspec
+++ b/host/tools/build/Microsoft.Azure.Functions.DotnetIsolatedNativeHost.nuspec
@@ -4,7 +4,7 @@
     <id>Microsoft.Azure.Functions.DotNetIsolatedNativeHost</id>
     <title>Microsoft Azure Functions dotnet-isolated native host</title>
     <tags>dotnet-isolated azure-functions azure</tags>
-    <version>1.0.4</version>
+    <version>1.0.5</version>
     <authors>Microsoft</authors>
     <owners>Microsoft</owners>
     <projectUrl>https://github.com/Azure/azure-functions-dotnet-worker</projectUrl>