diff --git a/OpenSim/Region/ClientStack/Linden/UDP/Tests/ThrottleTests.cs b/OpenSim/Region/ClientStack/Linden/UDP/Tests/ThrottleTests.cs
index 0560b9bc32..17e1af6156 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/Tests/ThrottleTests.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/Tests/ThrottleTests.cs
@@ -141,7 +141,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
 
             udpServer.Throttle.DebugLevel = 1;
             udpClient.ThrottleDebugLevel = 1;
-
+            
             int resendBytes = 1000;
             int landBytes = 2000;
             int windBytes = 3000;
@@ -208,7 +208,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
                 textureBytes * commitRatio, assetBytes * commitRatio, udpClient.FlowThrottle.AdjustedDripRate, totalBytes, 0);
 
             // Test an increase in target throttle
-            udpClient.FlowThrottle.AcknowledgePackets(35000);
+            udpClient.FlowThrottle.AcknowledgePackets(25);
             commitRatio = 0.2;
 
             AssertThrottles(
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/TokenBucket.cs b/OpenSim/Region/ClientStack/Linden/UDP/TokenBucket.cs
index c0cdff6d90..e67c0f5bb8 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/TokenBucket.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/TokenBucket.cs
@@ -61,7 +61,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 
         /// <summary>
         /// </summary>
-        protected const Int32 m_minimumDripRate = 1400;
+        protected const Int32 m_minimumDripRate = LLUDPServer.MTU;
         
         /// <summary>Time of the last drip, in system ticks</summary>
         protected Int32 m_lastDrip;
@@ -447,12 +447,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         /// <summary>
         /// Reliable packets acked by the client adjust the drip rate up.
-        /// <param name="bytes">Number of bytes acknowledged</param>
+        /// <param name="packets">Number of packets successfully acknowledged</param>
         /// </summary>
-        public void AcknowledgePackets(Int32 bytes)
+        public void AcknowledgePackets(Int32 packets)
         {
             if (AdaptiveEnabled)
-                AdjustedDripRate = AdjustedDripRate + bytes;
+                AdjustedDripRate = AdjustedDripRate + packets * LLUDPServer.MTU;
         }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/UnackedPacketCollection.cs b/OpenSim/Region/ClientStack/Linden/UDP/UnackedPacketCollection.cs
index 9d6c09e612..adf019f104 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/UnackedPacketCollection.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/UnackedPacketCollection.cs
@@ -192,7 +192,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                         // As with other network applications, assume that an acknowledged packet is an
                         // indication that the network can handle a little more load, speed up the transmission
-                        ackedPacket.Client.FlowThrottle.AcknowledgePackets(ackedPacket.Buffer.DataLength);
+                        ackedPacket.Client.FlowThrottle.AcknowledgePackets(1);
 
                         // Update stats
                         Interlocked.Add(ref ackedPacket.Client.UnackedBytes, -ackedPacket.Buffer.DataLength);