Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingInput.cs
===================================================================
diff -u -r8905298103eb01ce13dd5c1a2f267f879d4fda3e -r240a0a7285d67b54d0c3a992a0e60856c2e9855d
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingInput.cs	(.../PipingInput.cs)	(revision 8905298103eb01ce13dd5c1a2f267f879d4fda3e)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingInput.cs	(.../PipingInput.cs)	(revision 240a0a7285d67b54d0c3a992a0e60856c2e9855d)
@@ -254,8 +254,16 @@
                     tempEntryPointL = localGeometry.ElementAt(entryPointIndex).X;
                 }
 
-                ExitPointL = (RoundedDouble) tempExitPointL;
-                EntryPointL = (RoundedDouble) tempEntryPointL;
+                if (tempExitPointL <= ExitPointL)
+                {
+                    EntryPointL = (RoundedDouble)tempEntryPointL;
+                    ExitPointL = (RoundedDouble)tempExitPointL;
+                }
+                else
+                {
+                    ExitPointL = (RoundedDouble) tempExitPointL;
+                    EntryPointL = (RoundedDouble) tempEntryPointL;
+                }
             }
         }