diff --git a/OpenRa.Game/OrderManager.cs b/OpenRa.Game/OrderManager.cs
index 4eb13b9fda..00299efa9d 100755
--- a/OpenRa.Game/OrderManager.cs
+++ b/OpenRa.Game/OrderManager.cs
@@ -181,7 +181,8 @@ namespace OpenRa.Game
 						ret.Add( Order.Deserialize( reader, first ) );
 					}
 				}
-			} ).Start();
+			} ) { IsBackground = true }.Start();
+			
 		}
 
 		public List<Order> OrdersForFrame( int currentFrame )