Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryHelper.cs
===================================================================
diff -u -r4873 -r4874
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryHelper.cs	(.../GeometryHelper.cs)	(revision 4873)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryHelper.cs	(.../GeometryHelper.cs)	(revision 4874)
@@ -66,6 +66,7 @@
             }
         }
 
+        geometry.RegenerateGeometry();
         geometry.Rebox();
         geometry.Left = toX;
     }
@@ -109,6 +110,7 @@
             }
         }
 
+        geometry.RegenerateGeometry();
         geometry.Rebox();
         geometry.Right = toX;
     }