Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsInputValidator.cs
===================================================================
diff -u -r7f03cf30ae8d2351d8ddede137406d2bc25ef2ab -r54c11693eeccda9e154946428d93786face46a9e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsInputValidator.cs	(.../MacroStabilityInwardsInputValidator.cs)	(revision 7f03cf30ae8d2351d8ddede137406d2bc25ef2ab)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsInputValidator.cs	(.../MacroStabilityInwardsInputValidator.cs)	(revision 54c11693eeccda9e154946428d93786face46a9e)
@@ -88,12 +88,10 @@
             }
 
             var soilProfile2D = inputParameters.StochasticSoilProfile.SoilProfile as MacroStabilityInwardsSoilProfile2D;
-            if (soilProfile2D != null)
+            if (soilProfile2D != null
+                && !ValidateSurfaceLineIsNearSoilProfile(inputParameters, soilProfile2D))
             {
-                if (!ValidateSurfaceLineIsNearSoilProfile(inputParameters, soilProfile2D))
-                {
-                    yield return Resources.MacroStabilityInwardsCalculationService_ValidateInput_SurfaceLine_must_be_on_SoilLayer;
-                }
+                yield return Resources.MacroStabilityInwardsCalculationService_ValidateInput_SurfaceLine_must_be_on_SoilLayer;
             }
         }