Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsWaternet.cs
===================================================================
diff -u -ree422c0282fbaf9bb64b1661f72910964a8a0737 -r228ee54da56eded41bf81bba88cf54371f11d2bb
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsWaternet.cs	(.../MacroStabilityInwardsWaternet.cs)	(revision ee422c0282fbaf9bb64b1661f72910964a8a0737)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsWaternet.cs	(.../MacroStabilityInwardsWaternet.cs)	(revision 228ee54da56eded41bf81bba88cf54371f11d2bb)
@@ -85,7 +85,7 @@
         {
             unchecked
             {
-                var hashCode = 31;
+                var hashCode = 397;
 
                 foreach (MacroStabilityInwardsPhreaticLine phreaticLine in PhreaticLines)
                 {