Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs
===================================================================
diff -u -rd73739bed38c7aaf880d1c57c8904f9667ee2329 -r6692dc3480971fe1c017aef633382c40eb37056f
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision d73739bed38c7aaf880d1c57c8904f9667ee2329)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision 6692dc3480971fe1c017aef633382c40eb37056f)
@@ -33,7 +33,7 @@
             var builder = new SoilProfileBuilder1D(profileName, bottom);
             builder.Add(new PipingSoilLayer(top)
             {
-                IsAquifer = true
+                IsAquifer = 1.0
             });
 
             // Call
@@ -59,7 +59,7 @@
             var builder = new SoilProfileBuilder1D(profileName, bottom);
             builder.Add(new PipingSoilLayer(top)
             {
-                IsAquifer = true
+                IsAquifer = 1.0
             });
             builder.Add(new PipingSoilLayer(top2));