1 files changed, 4 insertions, 1 deletions
diff --git a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
index f6d8aa0600..2796c959a3 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
@@ -35,6 +35,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
+using Grpc.Core.Logging;
 using Grpc.Core.Utils;
 
 namespace Grpc.Core.Internal
@@ -45,6 +46,8 @@ namespace Grpc.Core.Internal
 
     internal class CompletionRegistry
     {
+        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<CompletionRegistry>();
+
         readonly GrpcEnvironment environment;
         readonly ConcurrentDictionary<IntPtr, OpCompletionDelegate> dict = new ConcurrentDictionary<IntPtr, OpCompletionDelegate>();
 
@@ -81,7 +84,7 @@ namespace Grpc.Core.Internal
             }
             catch (Exception e)
             {
-                Console.WriteLine("Exception occured while invoking completion delegate: " + e);
+                Logger.Error(e, "Exception occured while invoking completion delegate.");
             }
             finally
             {