diff --git a/release_notes.md b/release_notes.md
index 6139d02073..f2f17c7f90 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -16,4 +16,5 @@
   - This fixes a bug with worker indexing where we are shutting down worker channels and creating a new channel that never
     gets properly initialized as the invocation buffers are not created - this leads to a "Did not find initialized workers" error.
 - Check if a blob container or table exists before trying to create it (#9555)
-- Limit dotnet-isolated specialization to 64 bit host process (#9548)
\ No newline at end of file
+- Limit dotnet-isolated specialization to 64 bit host process (#9548)
+- Sending command line arguments to language workers with `functions-` prefix to prevent conflicts (#9514)
\ No newline at end of file
diff --git a/src/WebJobs.Script/WebJobs.Script.csproj b/src/WebJobs.Script/WebJobs.Script.csproj
index f4edb6a779..a76dd6d946 100644
--- a/src/WebJobs.Script/WebJobs.Script.csproj
+++ b/src/WebJobs.Script/WebJobs.Script.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\..\build\common.props" />
   <PropertyGroup>
     <PackageId>Microsoft.Azure.WebJobs.Script</PackageId>
@@ -47,7 +47,7 @@
     <PackageReference Include="Microsoft.ApplicationInsights.DependencyCollector" Version="2.21.0" />
     <PackageReference Include="Microsoft.ApplicationInsights.WindowsServer" Version="2.21.0" />
     <PackageReference Include="Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel" Version="2.21.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.DotNetIsolatedNativeHost" Version="1.0.0-preview805" />
+    <PackageReference Include="Microsoft.Azure.Functions.DotNetIsolatedNativeHost" Version="1.0.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.39" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Host.Storage" Version="5.0.0-beta.2-11957" />
     <PackageReference Include="Microsoft.Extensions.Azure" Version="1.7.0" />
diff --git a/src/WebJobs.Script/Workers/Rpc/RpcWorkerContext.cs b/src/WebJobs.Script/Workers/Rpc/RpcWorkerContext.cs
index 50dd7d54ee..e39ce55adb 100644
--- a/src/WebJobs.Script/Workers/Rpc/RpcWorkerContext.cs
+++ b/src/WebJobs.Script/Workers/Rpc/RpcWorkerContext.cs
@@ -44,7 +44,10 @@ public RpcWorkerContext(string requestId,
 
         public override string GetFormattedArguments()
         {
-            return $" --host {ServerUri.Host} --port {ServerUri.Port} --workerId {WorkerId} --requestId {RequestId} --grpcMaxMessageLength {MaxMessageLength}";
+            // Adding a second copy of the commandline arguments with the "functions-" prefix to prevent any conflicts caused by the existing generic names.
+            // Language workers are advised to use the "functions-" prefix ones and if not present fallback to existing ones.
+
+            return $" --host {ServerUri.Host} --port {ServerUri.Port} --workerId {WorkerId} --requestId {RequestId} --grpcMaxMessageLength {MaxMessageLength} --functions-uri {ServerUri.AbsoluteUri} --functions-worker-id {WorkerId} --functions-request-id {RequestId} --functions-grpc-max-message-length {MaxMessageLength}";
         }
     }
 }
diff --git a/test/WebJobs.Script.Tests/Workers/DefaultWorkerProcessFactoryTests.cs b/test/WebJobs.Script.Tests/Workers/DefaultWorkerProcessFactoryTests.cs
index 2286612603..5952481759 100644
--- a/test/WebJobs.Script.Tests/Workers/DefaultWorkerProcessFactoryTests.cs
+++ b/test/WebJobs.Script.Tests/Workers/DefaultWorkerProcessFactoryTests.cs
@@ -82,7 +82,7 @@ public void DefaultWorkerProcessFactory_Returns_ExpectedProcess(WorkerContext wo
             }
             if (workerContext is RpcWorkerContext)
             {
-                Assert.Equal(" httpvalue1 TestVal httpvalue2 --host localhost --port 80 --workerId testWorkerId --requestId testId --grpcMaxMessageLength 2147483647", childProcess.StartInfo.Arguments);
+                Assert.Equal(" httpvalue1 TestVal httpvalue2 --host localhost --port 80 --workerId testWorkerId --requestId testId --grpcMaxMessageLength 2147483647 --functions-uri http://localhost/ --functions-worker-id testWorkerId --functions-request-id testId --functions-grpc-max-message-length 2147483647", childProcess.StartInfo.Arguments);
             }
             else
             {