diff --git a/TBF/BenchControl/Elde/Diverter/Diverter.cs b/TBF/BenchControl/Elde/Diverter/Diverter.cs
index e91228d4e..309bd06df 100644
--- a/TBF/BenchControl/Elde/Diverter/Diverter.cs
+++ b/TBF/BenchControl/Elde/Diverter/Diverter.cs
@@ -134,7 +134,7 @@ namespace TBF.BenchControl.Elde.Diverter
             {
                 default:
                 case 1:     flowMtrNr4Cmd = 1; break;
-                case 2:     flowMtrNr4Cmd = 2; break;
+                case 2:     flowMtrNr4Cmd = 0x12; break;
                 case 3:     flowMtrNr4Cmd = 3; break;
                 case 4:     flowMtrNr4Cmd = 5; break;
             }
diff --git a/TBF/BenchControl/Elde/StartMeasurementOp.cs b/TBF/BenchControl/Elde/StartMeasurementOp.cs
index 42212a5a3..228a638f8 100644
--- a/TBF/BenchControl/Elde/StartMeasurementOp.cs
+++ b/TBF/BenchControl/Elde/StartMeasurementOp.cs
@@ -119,6 +119,8 @@ namespace TBF.BenchControl.Elde
 			int flowMeterIdxAndDiv = flowMeterNr + 8 * (diverterNr - 1);
 #elif FILIPINY_50
             int flowMeterIdxAndDiv = flowMeterNr + ((flowMeterNr == 3) ? (4 * (diverterNr - 1)) : 0);
+#elif GELSENWASSER
+            int flowMeterIdxAndDiv = flowMeterNr + ((diverterNr == 2) ? 16 : 0);
 #else
             int flowMeterIdxAndDiv = flowMeterNr;
 #endif