diff --git a/TBF/Rig/Uni/FlowMetersInParallel/FlowMeter.cs b/TBF/Rig/Uni/FlowMetersInParallel/FlowMeter.cs
index fcfa156c8..4945a9bff 100644
--- a/TBF/Rig/Uni/FlowMetersInParallel/FlowMeter.cs
+++ b/TBF/Rig/Uni/FlowMetersInParallel/FlowMeter.cs
@@ -105,10 +105,10 @@ namespace TBF.Rig.Uni.FlowMetersInParallel
 
             MsrdValLimHi = nominalFlow;
 
-            nominalFreq = nominalFreq / flowMetersCount;
-
             ltrPerPulse = nominalFlow / (3.6 * nominalFreq);        /// Nominal freq. is sum of particular nominal frquencies
 
+            nominalFreq = nominalFreq / flowMetersCount;
+
             log.FatalFormat("{0} initialized: {1} nom.flow={2} m3/h nom.freq={3} Hz bitfield=0x{4:X2}",
                             Name, true, nominalFlow, nominalFreq, flowMetersBitfield);
         }