diff --git a/src/dotnet/commands/dotnet-test/TestMessagesCollection.cs b/src/dotnet/commands/dotnet-test/TestMessagesCollection.cs
index a34815f99..d803f4a81 100644
--- a/src/dotnet/commands/dotnet-test/TestMessagesCollection.cs
+++ b/src/dotnet/commands/dotnet-test/TestMessagesCollection.cs
@@ -16,7 +16,7 @@ namespace Microsoft.DotNet.Tools.Test
 
         public TestMessagesCollection()
         {
-            _readQueue = new BlockingCollection<Message>(boundedCapacity: 1);
+            _readQueue = new BlockingCollection<Message>();
             _terminateWaitHandle = new ManualResetEventSlim();
         }