Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs
===================================================================
diff -u -r7077 -r7084
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs	(.../PlLinesCreator.cs)	(revision 7077)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs	(.../PlLinesCreator.cs)	(revision 7084)
@@ -1102,7 +1102,7 @@
             {
                 if (gaugePlLinePoint.GaugeIDX != null && gaugePlLinePoint.GaugeIDX != "")
                 {
-                    Gauge gauge = gauges.Where(x => x.Name == gaugePlLinePoint.GaugeIDX && x.Location == location).FirstOrDefault();
+                    Gauge gauge = gauges.FirstOrDefault(x => x.Name == gaugePlLinePoint.GaugeIDX && x.Location == location);
                     if (gauge != null)
                     {
                         localX = gauge.LocalX;
@@ -1115,7 +1115,7 @@
 
                 if (gaugePlLinePoint.GaugeIDZ != null && gaugePlLinePoint.GaugeIDZ != "")
                 {
-                    Gauge gauge = gauges.Where(x => x.Name == gaugePlLinePoint.GaugeIDZ && x.Location == location).FirstOrDefault();
+                    Gauge gauge = gauges.FirstOrDefault(x => x.Name == gaugePlLinePoint.GaugeIDZ && x.Location == location);
                     if (gauge != null)
                     {
                         if (!gauge.Value.HasValue || ((double) gauge.Value).IsNearEqual(GaugeMissVal, toleranceAlmostEqual))