Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSectionBase.cs
===================================================================
diff -u -r4512af7782ee31b36941bb280b54d9da2953dd71 -r5e0721f34fbf44e8aad51cfd4ff6abc8aa061494
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSectionBase.cs	(.../AssessmentSectionBase.cs)	(revision 4512af7782ee31b36941bb280b54d9da2953dd71)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSectionBase.cs	(.../AssessmentSectionBase.cs)	(revision 5e0721f34fbf44e8aad51cfd4ff6abc8aa061494)
@@ -26,6 +26,7 @@
 using Ringtoets.Common.Data;
 using Ringtoets.Common.Placeholder;
 using Ringtoets.Integration.Data.Contribution;
+using Ringtoets.Integration.Data.HydraulicBoundary;
 using Ringtoets.Integration.Data.Properties;
 
 namespace Ringtoets.Integration.Data
@@ -42,7 +43,7 @@
         {
             Name = "";
             ReferenceLine = new InputPlaceholder(Resources.ReferenceLine_DisplayName);
-            HydraulicBoundaryDatabase = new InputPlaceholder(Resources.HydraulicBoundaryDatabase_DisplayName);
+            HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
         }
 
         /// <summary>
@@ -63,7 +64,7 @@
         /// <summary>
         /// Gets or sets the hydraulic boundary database.
         /// </summary>
-        public InputPlaceholder HydraulicBoundaryDatabase { get; private set; }
+        public HydraulicBoundaryDatabase HydraulicBoundaryDatabase { get; private set; }
 
         /// <summary>
         /// Gets the failure mechanisms corresponding to the assessment section.