Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs
===================================================================
diff -u -r5207 -r5208
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs	(.../GeometryGenerator.cs)	(revision 5207)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs	(.../GeometryGenerator.cs)	(revision 5208)
@@ -1065,7 +1065,10 @@
             DetermineFlagValues5to8(pointXz1, pointXz3, pointXz2, pointXz4, ref flag5, ref flag6, ref flag7, ref flag8);
         }
 
-        if (flag3 && flag4 || flag1 && flag2 || flag1 | flag2 && flag3 || flag4)
+        //if (flag3 && flag4 || flag1 && flag2 || flag1 | flag2 && flag3 || flag4)
+        //ToDo: Check if the above condition is correct, was | operator intended instead of || operator?
+        //Next line is the same as above line, but with || operator instead of | operator
+        if (flag3 && flag4 || flag1 && flag2 || ((flag1 || flag2) && flag3) || flag4)
         {
             if (flag1 && !flag2 && !flag5 && !flag7)
             {