Index: Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs
===================================================================
diff -u -ra950714ad9510756331d862aa35695fa0b2ed03b -ra483049c20ef6d26addd0718d0f31ae1922e6f49
--- Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs	(.../TestPipingInput.cs)	(revision a950714ad9510756331d862aa35695fa0b2ed03b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs	(.../TestPipingInput.cs)	(revision a483049c20ef6d26addd0718d0f31ae1922e6f49)
@@ -67,7 +67,10 @@
         {
             return new PipingSoilProfile(String.Empty, -2, new []
             {
-                new PipingSoilLayer(9),
+                new PipingSoilLayer(9)
+                {
+                    IsAquifer = true
+                },
                 new PipingSoilLayer(2), 
                 new PipingSoilLayer(-1), 
             });