Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismView.cs
===================================================================
diff -u -r4c580b17f584bdfcaae96992b11f90025647ca20 -r737cd3675ab5bc1b6400e4a0b86ebd543eaee650
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismView.cs	(.../HeightStructuresFailureMechanismView.cs)	(revision 4c580b17f584bdfcaae96992b11f90025647ca20)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/Views/HeightStructuresFailureMechanismView.cs	(.../HeightStructuresFailureMechanismView.cs)	(revision 737cd3675ab5bc1b6400e4a0b86ebd543eaee650)
@@ -133,6 +133,7 @@
                     calculationObserver.Observable = null;
 
                     Map.Data = null;
+                    Map.BackgroundMapData = null;
                 }
                 else
                 {
@@ -149,6 +150,7 @@
                     SetMapDataFeatures();
 
                     Map.Data = mapDataCollection;
+                    Map.BackgroundMapData = data.Parent.BackgroundMapData;
                 }
             }
         }