diff --git a/awt/toolkit.cs b/awt/toolkit.cs
index 09e6f257..b1727c4d 100644
--- a/awt/toolkit.cs
+++ b/awt/toolkit.cs
@@ -158,7 +158,7 @@ namespace ikvm.awt
 				Thread thread = new Thread(new ThreadStart(MessageLoop));
 				thread.ApartmentState = ApartmentState.STA;
 				thread.Name = "IKVM AWT WinForms Message Loop";
-				//thread.IsBackground = true;
+				thread.IsBackground = true;
 				thread.Start();
 				// TODO don't use polling...
 				while(bogusForm == null && thread.IsAlive)