Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -re955b2483ae95b097dd76135a3a95bb7ed05d496 -r3014d0ced22c45300938639e7958ea0850485240
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision e955b2483ae95b097dd76135a3a95bb7ed05d496)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 3014d0ced22c45300938639e7958ea0850485240)
@@ -36,6 +36,7 @@
 using Core.Common.Gui.Plugin;
 using Core.Common.IO.Exceptions;
 using Core.Common.Utils.Extensions;
+using Core.Components.Gis.Data;
 using log4net;
 using Ringtoets.ClosingStructures.Data;
 using Ringtoets.ClosingStructures.Forms.PresentationObjects;
@@ -1051,7 +1052,7 @@
         {
             var childNodes = new List<object>
             {
-                new BackgroundMapDataContext(nodeData.BackgroundMapData),
+                new BackgroundMapDataContext((WmtsMapData)nodeData.BackgroundMapData.MapData),
                 new ReferenceLineContext(nodeData),
                 new FailureMechanismContributionContext(nodeData.FailureMechanismContribution, nodeData),
                 new HydraulicBoundaryDatabaseContext(nodeData),