diff --git a/TBF/BenchControl/Various/ErrorFlags/Errors.cs b/TBF/BenchControl/Various/ErrorFlags/Errors.cs
index 840be9445..9537dc1c9 100644
--- a/TBF/BenchControl/Various/ErrorFlags/Errors.cs
+++ b/TBF/BenchControl/Various/ErrorFlags/Errors.cs
@@ -42,8 +42,8 @@ namespace TBF.BenchControl.Various.ErrorFlags
             /// Any E# is 'true' on error, 'false' when OK
 
             /// Average flow
-            bool E1 =  ProcessData.RefFlowStat.Average < testRslt.Qfrom()
-                    || ProcessData.RefFlowStat.Average > testRslt.Qto();
+            double aveFlow = 3.6 * testRslt.VolumeCTV / testRslt.TestTime;
+            bool E1 = (aveFlow < testRslt.Qfrom()) || (aveFlow > testRslt.Qto());
 
             /// Max. and min. up and down water temperature
             bool E2 =  ProcessData.TempUpStat.Min < testRslt.TempLimLo()
diff --git a/TBF/Properties/AssemblyInfo.cs b/TBF/Properties/AssemblyInfo.cs
index 0f2b1814c..11f0af4cd 100644
--- a/TBF/Properties/AssemblyInfo.cs
+++ b/TBF/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.18.1018.0")]
-[assembly: AssemblyFileVersion("2.18.1018.0")]
+[assembly: AssemblyVersion("2.18.1019.0")]
+[assembly: AssemblyFileVersion("2.18.1019.0")]