diff --git a/OpenRA.Game/Network/Connection.cs b/OpenRA.Game/Network/Connection.cs
index e05d73ec2d..e1159a6870 100644
--- a/OpenRA.Game/Network/Connection.cs
+++ b/OpenRA.Game/Network/Connection.cs
@@ -52,22 +52,12 @@ namespace OpenRA.Network
 
 		public virtual void Send(int frame, IEnumerable<Order> orders)
 		{
-			var ms = new MemoryStream();
-			ms.WriteArray(BitConverter.GetBytes(frame));
-			foreach (var o in orders)
-				ms.WriteArray(o.Serialize());
-			Send(ms.ToArray());
+			Send(OrderIO.SerializeOrders(frame, orders));
 		}
 
 		public virtual void SendImmediate(IEnumerable<Order> orders)
 		{
-			foreach (var o in orders)
-			{
-				var ms = new MemoryStream();
-				ms.WriteArray(BitConverter.GetBytes(0));
-				ms.WriteArray(o.Serialize());
-				Send(ms.ToArray());
-			}
+			Send(OrderIO.SerializeOrders(0, orders));
 		}
 
 		public virtual void SendSync(int frame, int syncHash, ulong defeatState)
diff --git a/OpenRA.Game/Network/OrderIO.cs b/OpenRA.Game/Network/OrderIO.cs
index 2a0961299c..d8ca90e162 100644
--- a/OpenRA.Game/Network/OrderIO.cs
+++ b/OpenRA.Game/Network/OrderIO.cs
@@ -79,6 +79,15 @@ namespace OpenRA.Network
 			return ms.GetBuffer();
 		}
 
+		public static byte[] SerializeOrders(int frame, IEnumerable<Order> orders)
+		{
+			var ms = new MemoryStream();
+			ms.WriteArray(BitConverter.GetBytes(frame));
+			foreach (var o in orders)
+				ms.WriteArray(o.Serialize());
+			return ms.ToArray();
+		}
+
 		public static bool TryParseDisconnect(byte[] packet, out int clientId)
 		{
 			if (packet.Length == Order.DisconnectOrderLength + 4 && packet[4] == (byte)OrderType.Disconnect)