diff --git a/src/Orleans.Serialization/Invocation/ResponseCompletionSource.cs b/src/Orleans.Serialization/Invocation/ResponseCompletionSource.cs
index bdfabec2ff9..f622c701740 100644
--- a/src/Orleans.Serialization/Invocation/ResponseCompletionSource.cs
+++ b/src/Orleans.Serialization/Invocation/ResponseCompletionSource.cs
@@ -10,7 +10,7 @@ namespace Orleans.Serialization.Invocation
     /// </summary>
     public sealed class ResponseCompletionSource : IResponseCompletionSource, IValueTaskSource<Response>, IValueTaskSource
     {
-        private ManualResetValueTaskSourceCore<Response> _core;
+        private ManualResetValueTaskSourceCore<Response> _core = new() { RunContinuationsAsynchronously = true };
 
         /// <summary>
         /// Returns this instance as a <see cref="ValueTask{Response}"/>.
@@ -113,7 +113,7 @@ void IValueTaskSource.GetResult(short token)
     /// <typeparam name="TResult">The underlying result type.</typeparam>
     public sealed class ResponseCompletionSource<TResult> : IResponseCompletionSource, IValueTaskSource<TResult>, IValueTaskSource
     {
-        private ManualResetValueTaskSourceCore<TResult> _core;
+        private ManualResetValueTaskSourceCore<TResult> _core = new() { RunContinuationsAsynchronously = true };
 
         /// <summary>
         /// Returns this instance as a <see cref="ValueTask{Response}"/>.
@@ -255,4 +255,4 @@ void IValueTaskSource.GetResult(short token)
             }
         }
     }
-}
\ No newline at end of file
+}