1 files changed, 6 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
index 56c23ba3ef..50fdfa9006 100644
--- a/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
+++ b/src/csharp/Grpc.Core/Internal/AsyncCallServer.cs
@@ -33,6 +33,7 @@
 
 using System;
 using System.Diagnostics;
+using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;
@@ -193,6 +194,11 @@ namespace Grpc.Core.Internal
             get { return false; }
         }
 
+        protected override Exception GetRpcExceptionClientOnly()
+        {
+            throw new InvalidOperationException("Call be only called for client calls");
+        }
+
         protected override void OnAfterReleaseResources()
         {
             server.RemoveCallReference(this);