Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r92a36ee3d58a477a4ed4291e66538dda93aea221 -r51ddda3656dd349582d7790169a34080d79da68a
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 92a36ee3d58a477a4ed4291e66538dda93aea221)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 51ddda3656dd349582d7790169a34080d79da68a)
@@ -271,7 +271,10 @@
         {
             yield return new PropertyInfo<IProject, RingtoetsProjectProperties>();
             yield return new PropertyInfo<IAssessmentSection, AssessmentSectionProperties>();
-            yield return new PropertyInfo<BackgroundMapDataContext, BackgroundMapDataContextProperties>();
+            yield return new PropertyInfo<BackgroundMapDataContext, BackgroundWmtsMapDataProperties>
+            {
+                CreateInstance = context => new BackgroundWmtsMapDataProperties(context.WrappedData)
+            };
             yield return new PropertyInfo<HydraulicBoundaryDatabaseContext, HydraulicBoundaryDatabaseProperties>();
             yield return new PropertyInfo<FailureMechanismContributionContext, FailureMechanismContributionProperties>
             {