Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs
===================================================================
diff -u -r091da501e5dd61cf05b94c4d4f075c1e73b3d950 -r44cf5bc0f292171637b0c91b74005effe4d2798c
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision 091da501e5dd61cf05b94c4d4f075c1e73b3d950)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision 44cf5bc0f292171637b0c91b74005effe4d2798c)
@@ -83,9 +83,10 @@
                 Name = defaultWellKnownTileSource.GetDisplayName()
             };
 
+            HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+
             Piping = new PipingFailureMechanism();
             GrassCoverErosionInwards = new GrassCoverErosionInwardsFailureMechanism();
-
             MacroStabilityInwards = new MacroStabilityInwardsFailureMechanism();
             MacrostabilityOutwards = new MacrostabilityOutwardsFailureMechanism();
             Microstability = new MicrostabilityFailureMechanism();
@@ -225,7 +226,7 @@
 
         public FailureMechanismContribution FailureMechanismContribution { get; }
 
-        public HydraulicBoundaryDatabase HydraulicBoundaryDatabase { get; set; }
+        public HydraulicBoundaryDatabase HydraulicBoundaryDatabase { get; }
 
         public BackgroundData BackgroundData { get; }