diff --git a/Lidgren.Network/NetConnection.cs b/Lidgren.Network/NetConnection.cs
index 29601f6..72ce6a9 100644
--- a/Lidgren.Network/NetConnection.cs
+++ b/Lidgren.Network/NetConnection.cs
@@ -182,7 +182,8 @@ namespace Lidgren.Network
 				m_lastSentUnsentMessages = now;
 			}
 
-			int mtu = m_peerConfiguration.MaximumTransmissionUnit;
+			int mtu = m_peerConfiguration.m_maximumTransmissionUnit;
+			bool useCoalescing = m_peerConfiguration.m_useMessageCoalescing;
 
 			float throttleThreshold = m_peerConfiguration.m_throttlePeakBytes;
 			if (m_throttleDebt < throttleThreshold)
@@ -204,7 +205,7 @@ namespace Lidgren.Network
 					int msgPayloadLength = msg.LengthBytes;
 					msg.m_lastSentTime = now;
 
-					if (ptr > 0 && (ptr + NetPeer.kMaxPacketHeaderSize + msgPayloadLength) > mtu)
+					if (!useCoalescing || (ptr > 0 && (ptr + NetPeer.kMaxPacketHeaderSize + msgPayloadLength) > mtu))
 					{
 						// send packet and start new packet
 						bool connectionReset;
@@ -561,6 +562,9 @@ namespace Lidgren.Network
 		{
 			if (msg.IsSent)
 				throw new NetException("Message has already been sent!");
+
+			NetException.Assert(sequenceChannel >= 0 && sequenceChannel < NetConstants.NetChannelsPerDeliveryMethod, "Sequence channel must be between 0 and NetConstants.NetChannelsPerDeliveryMethod (" + NetConstants.NetChannelsPerDeliveryMethod + ")");
+	
 			msg.m_type = (NetMessageType)((int)method + sequenceChannel);
 			EnqueueOutgoingMessage(msg);
 		}
diff --git a/Lidgren.Network/NetPeerConfiguration.cs b/Lidgren.Network/NetPeerConfiguration.cs
index 8576339..4459cc4 100644
--- a/Lidgren.Network/NetPeerConfiguration.cs
+++ b/Lidgren.Network/NetPeerConfiguration.cs
@@ -37,6 +37,7 @@ namespace Lidgren.Network
 		internal int m_receiveBufferSize, m_sendBufferSize;
 		internal int m_defaultOutgoingMessageCapacity;
 		internal int m_maximumTransmissionUnit;
+		internal bool m_useMessageCoalescing;
 		internal int m_maximumConnections;
 		internal NetIncomingMessageType m_disabledTypes;
 		internal int m_throttleBytesPerSecond;
@@ -85,6 +86,7 @@ namespace Lidgren.Network
 			m_handshakeAttemptDelay = 1.0f;
 			m_handshakeMaxAttempts = 7;
 			m_maxRecycledBytesKept = 128 * 1024;
+			m_useMessageCoalescing = true;
 
 			m_loss = 0.0f;
 			m_minimumOneWayLatency = 0.0f;
@@ -254,6 +256,15 @@ namespace Lidgren.Network
 			}
 		}
 
+		/// <summary>
+		/// Gets or sets if message coalescing (sending multiple messages in a single packet) should be used. Normally this should be true.
+		/// </summary>
+		public bool UseMessageCoalescing
+		{
+			get { return m_useMessageCoalescing; }
+			set { m_useMessageCoalescing = value; }
+		}
+
 		/// <summary>
 		/// Gets or sets the maximum amount of connections this peer can hold. Cannot be changed once NetPeer is initialized.
 		/// </summary>