diff --git a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Core.verified.txt b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Core.verified.txt
index 43eb962ca27..2a12f0b3c4b 100644
--- a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Core.verified.txt
+++ b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Core.verified.txt
@@ -888,11 +888,12 @@ namespace Akka.Actor
         public Failures() { }
         public System.Collections.Generic.List<Akka.Actor.Failure> Entries { get; }
     }
-    public sealed class FutureActorRef<T> : Akka.Actor.MinimalActorRef
+    public class FutureActorRef<T> : Akka.Actor.MinimalActorRef
     {
         public FutureActorRef(System.Threading.Tasks.TaskCompletionSource<T> result, Akka.Actor.ActorPath path, Akka.Actor.IActorRefProvider provider) { }
         public override Akka.Actor.ActorPath Path { get; }
         public override Akka.Actor.IActorRefProvider Provider { get; }
+        public virtual void DeliverAsk(object message, Akka.Actor.ICanTell destination) { }
         protected override void TellInternal(object message, Akka.Actor.IActorRef sender) { }
     }
     public class static Futures
diff --git a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.DotNet.verified.txt b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.DotNet.verified.txt
index d3eb1bb8107..204955e9d2c 100644
--- a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.DotNet.verified.txt
+++ b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.DotNet.verified.txt
@@ -890,11 +890,12 @@ namespace Akka.Actor
         public Failures() { }
         public System.Collections.Generic.List<Akka.Actor.Failure> Entries { get; }
     }
-    public sealed class FutureActorRef<T> : Akka.Actor.MinimalActorRef
+    public class FutureActorRef<T> : Akka.Actor.MinimalActorRef
     {
         public FutureActorRef(System.Threading.Tasks.TaskCompletionSource<T> result, Akka.Actor.ActorPath path, Akka.Actor.IActorRefProvider provider) { }
         public override Akka.Actor.ActorPath Path { get; }
         public override Akka.Actor.IActorRefProvider Provider { get; }
+        public virtual void DeliverAsk(object message, Akka.Actor.ICanTell destination) { }
         protected override void TellInternal(object message, Akka.Actor.IActorRef sender) { }
     }
     public class static Futures
diff --git a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Net.verified.txt b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Net.verified.txt
index 43eb962ca27..2a12f0b3c4b 100644
--- a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Net.verified.txt
+++ b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.Net.verified.txt
@@ -888,11 +888,12 @@ namespace Akka.Actor
         public Failures() { }
         public System.Collections.Generic.List<Akka.Actor.Failure> Entries { get; }
     }
-    public sealed class FutureActorRef<T> : Akka.Actor.MinimalActorRef
+    public class FutureActorRef<T> : Akka.Actor.MinimalActorRef
     {
         public FutureActorRef(System.Threading.Tasks.TaskCompletionSource<T> result, Akka.Actor.ActorPath path, Akka.Actor.IActorRefProvider provider) { }
         public override Akka.Actor.ActorPath Path { get; }
         public override Akka.Actor.IActorRefProvider Provider { get; }
+        public virtual void DeliverAsk(object message, Akka.Actor.ICanTell destination) { }
         protected override void TellInternal(object message, Akka.Actor.IActorRef sender) { }
     }
     public class static Futures
diff --git a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.verified.txt b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.verified.txt
index 0d9c780778b..280340c6f21 100644
--- a/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.verified.txt
+++ b/src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveCore.verified.txt
@@ -885,11 +885,12 @@ namespace Akka.Actor
         public Failures() { }
         public System.Collections.Generic.List<Akka.Actor.Failure> Entries { get; }
     }
-    public sealed class FutureActorRef<T> : Akka.Actor.MinimalActorRef
+    public class FutureActorRef<T> : Akka.Actor.MinimalActorRef
     {
         public FutureActorRef(System.Threading.Tasks.TaskCompletionSource<T> result, Akka.Actor.ActorPath path, Akka.Actor.IActorRefProvider provider) { }
         public override Akka.Actor.ActorPath Path { get; }
         public override Akka.Actor.IActorRefProvider Provider { get; }
+        public virtual void DeliverAsk(object message, Akka.Actor.ICanTell destination) { }
         protected override void TellInternal(object message, Akka.Actor.IActorRef sender) { }
     }
     public class static Futures
diff --git a/src/core/Akka/Actor/ActorRef.cs b/src/core/Akka/Actor/ActorRef.cs
index a03abaecdd8..62ee09f2e94 100644
--- a/src/core/Akka/Actor/ActorRef.cs
+++ b/src/core/Akka/Actor/ActorRef.cs
@@ -69,7 +69,7 @@ public interface IRepointableRef : IActorRefScope
     ///
     /// ActorRef implementation used for one-off tasks.
     /// </summary>
-    public sealed class FutureActorRef<T> : MinimalActorRef
+    public class FutureActorRef<T> : MinimalActorRef
     {
         private readonly TaskCompletionSource<T> _result;
         private readonly ActorPath _path;
@@ -122,9 +122,12 @@ protected override void TellInternal(object message, IActorRef sender)
                     handled = _result.TrySetException(f.Cause
                         ?? new TaskCanceledException("Task cancelled by actor via Failure message."));
                     break;
+#pragma warning disable CS0618
+                // for backwards compatibility
                 case Failure f:
                     handled = _result.TrySetException(f.Exception
-                        ?? new TaskCanceledException("Task cancelled by actor via Failure message."));
+                                                      ?? new TaskCanceledException("Task cancelled by actor via Failure message."));
+#pragma warning restore CS0618
                     break;
                 default:
                     _ = _result.TrySetException(new ArgumentException(
@@ -136,6 +139,10 @@ protected override void TellInternal(object message, IActorRef sender)
             if (!handled && !_result.Task.IsCanceled)
                 _provider.DeadLetters.Tell(message ?? default(T), this);            
         }
+        
+        public virtual void DeliverAsk(object message, ICanTell destination){
+            destination.Tell(message, this);
+        }
     }
 
 
diff --git a/src/core/Akka/Actor/Futures.cs b/src/core/Akka/Actor/Futures.cs
index fdfe471babd..5901088d19a 100644
--- a/src/core/Akka/Actor/Futures.cs
+++ b/src/core/Akka/Actor/Futures.cs
@@ -164,7 +164,7 @@ public static Task<T> Ask<T>(this ICanTell self, Func<IActorRef, object> message
             //The future actor needs to be registered in the temp container
             provider.RegisterTempActor(future, path);
             var message = messageFactory(future);
-            self.Tell(message, future);
+            future.DeliverAsk(message, self);
 
             return result.Task;
         }