diff --git a/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs b/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
index 045b7510a..75c7bebfa 100644
--- a/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
+++ b/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
@@ -106,7 +106,8 @@ namespace TBF.BenchControl.Elde
         /// <summary> State of valves sent out - buffered by the last SendCommand() </summary>
         public ulong Route { get { return route; } }
 
-        ulong valvesToInvert;        /// Route = valesToInvert ^ RequiredRouteWithoutInvertedVlaves
+        ulong valvesToInvert;			/// Route = valesToInvert ^ RequiredRouteWithoutInvertedVlaves
+		readonly ulong routeMask;		/// This mask masks out virtual valves, routeMask is set in the constructor 
 
         ///
         /// Initialization data updated by constructors of children components
@@ -128,8 +129,6 @@ namespace TBF.BenchControl.Elde
         public uint[] BalanceRange = new uint[2];
 
 
-		readonly ulong routeMask;		/// This mask masks out virtual valves, routeMask is set in the constructor 
-
         ///
         /// Private values sent by the last SendCommand()
         ///
@@ -412,6 +411,18 @@ namespace TBF.BenchControl.Elde
             return oldRoute ^ route;
         }
 
+		/// <summary>
+		/// Set Route to value returned by RRoute. Take virtual valves into account.
+		/// </summary>
+		/// <returns>'ulong' with bits of valves that have changed set to '1'</returns>
+		public ulong SyncRoute()
+		{
+			ulong oldRoute = route;
+			route = (RRoute & routeMask) | (route & (~routeMask));
+			log.DebugFormat("SyncRoute(), new route = {0}", Utils.ShowRoute(route));
+			return oldRoute ^ route;
+		}
+
         /// <summary>
         /// Regulation valves control.
         /// </summary>
diff --git a/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs b/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
index e19e6c605..4188019a2 100644
--- a/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
+++ b/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
@@ -57,7 +57,8 @@ namespace TBF.BenchControl.Elde
 		/// <summary>Start this operation</summary>
 		public void Start()
         {
-            controlBoard.SendCommand(Command.Start, flowMeterIdx, controlBoard.RRoute, refPulses, testMethod,
+			controlBoard.SyncRoute();
+            controlBoard.SendCommand(Command.Start, flowMeterIdx, controlBoard.Route, refPulses, testMethod,
                                      filterConstant, 20, 0, StopDevs.None);
         }
 
diff --git a/TestBenchFramework/BenchControl/Elde/StopPreviousOp.cs b/TestBenchFramework/BenchControl/Elde/StopPreviousOp.cs
index 98bbac97d..50b2997dc 100644
--- a/TestBenchFramework/BenchControl/Elde/StopPreviousOp.cs
+++ b/TestBenchFramework/BenchControl/Elde/StopPreviousOp.cs
@@ -32,9 +32,10 @@ namespace TBF.BenchControl.Elde
 		/// <summary>Start this operation</summary>
 		public void Start()
         {
+			controlBoard.SyncRoute();
             controlBoard.SendCommand(Command.Stop,
                                      0,                         /// ref. flowmeter number
-                                     controlBoard.RRoute,       /// route
+                                     controlBoard.Route,        /// route
                                      0,                         /// ref. pulses
                                      TestMethods.Diverter,
                                      0.0f,
diff --git a/TestBenchFramework/Properties/AssemblyInfo.cs b/TestBenchFramework/Properties/AssemblyInfo.cs
index 1e7a1518e..b5fa5e85b 100644
--- a/TestBenchFramework/Properties/AssemblyInfo.cs
+++ b/TestBenchFramework/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("1.5.64.1")]
-[assembly: AssemblyFileVersion("1.5.64.1")]
+[assembly: AssemblyVersion("1.5.65.1")]
+[assembly: AssemblyFileVersion("1.5.65.1")]