Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs
===================================================================
diff -u -r4897 -r4904
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs	(.../GeometryPointString.cs)	(revision 4897)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryPointString.cs	(.../GeometryPointString.cs)	(revision 4904)
@@ -695,7 +695,7 @@
 
         CondensePoints();
 
-        for (int i = calcPoints.Count - 2; i > 1; i--)
+        for (int i = calcPoints.Count - 2; i > 0; i--)
         {
             // if the slope of the line before the point is equal to the slope after the point, the point can be removed
             double slopeBefore = (calcPoints[i].Z - calcPoints[i - 1].Z) / (calcPoints[i].X - calcPoints[i - 1].X);