Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs
===================================================================
diff -u -r1bc56f973fcc27319baaf751468ecbc7c122e7dc -r42357a100d1a75baca233aa44b866a5009f48e00
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs	(.../PipingStochasticSoilProfile.cs)	(revision 1bc56f973fcc27319baaf751468ecbc7c122e7dc)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/SoilProfile/PipingStochasticSoilProfile.cs	(.../PipingStochasticSoilProfile.cs)	(revision 42357a100d1a75baca233aa44b866a5009f48e00)
@@ -118,8 +118,7 @@
             {
                 return false;
             }
-            var other = obj as PipingStochasticSoilProfile;
-            return other != null && Equals(other);
+            return Equals((PipingStochasticSoilProfile) obj);
         }
 
         public override int GetHashCode()