Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelLocationContextProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r06d52101c6518fba9a61ceac1ff72aced376a44c
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelLocationContextProperties.cs	(.../DesignWaterLevelLocationContextProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelLocationContextProperties.cs	(.../DesignWaterLevelLocationContextProperties.cs)	(revision 06d52101c6518fba9a61ceac1ff72aced376a44c)
@@ -146,6 +146,7 @@
             set
             {
                 data.WrappedData.DesignWaterLevelCalculation.InputParameters.ShouldIllustrationPointsBeCalculated = value;
+                data.WrappedData.NotifyObservers();
                 data.HydraulicBoundaryDatabase.NotifyObservers();
             }
         }
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightLocationContextProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r06d52101c6518fba9a61ceac1ff72aced376a44c
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightLocationContextProperties.cs	(.../WaveHeightLocationContextProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightLocationContextProperties.cs	(.../WaveHeightLocationContextProperties.cs)	(revision 06d52101c6518fba9a61ceac1ff72aced376a44c)
@@ -147,6 +147,7 @@
             {
                 data.WrappedData.WaveHeightCalculation.InputParameters.ShouldIllustrationPointsBeCalculated = value;
                 data.HydraulicBoundaryDatabase.NotifyObservers();
+                data.WrappedData.NotifyObservers();
             }
         }
 
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/DesignWaterLevelLocationContextPropertiesTest.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r06d52101c6518fba9a61ceac1ff72aced376a44c
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/DesignWaterLevelLocationContextPropertiesTest.cs	(.../DesignWaterLevelLocationContextPropertiesTest.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/DesignWaterLevelLocationContextPropertiesTest.cs	(.../DesignWaterLevelLocationContextPropertiesTest.cs)	(revision 06d52101c6518fba9a61ceac1ff72aced376a44c)
@@ -298,8 +298,10 @@
         {
             // Setup
             var mocks = new MockRepository();
-            var observer = mocks.StrictMock<IObserver>();
-            observer.Expect(o => o.UpdateObserver());
+            var databaseObserver = mocks.StrictMock<IObserver>();
+            databaseObserver.Expect(o => o.UpdateObserver());
+            var locationObserver = mocks.StrictMock<IObserver>();
+            locationObserver.Expect(o => o.UpdateObserver());
             mocks.ReplayAll();
 
             HydraulicBoundaryLocation hydraulicBoundaryLocation = new TestHydraulicBoundaryLocation
@@ -321,7 +323,8 @@
                 }
             };
 
-            hydraulicBoundaryDatabase.Attach(observer);
+            hydraulicBoundaryDatabase.Attach(databaseObserver);
+            hydraulicBoundaryLocation.Attach(locationObserver);
 
             var properties = new DesignWaterLevelLocationContextProperties
             {
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/WaveHeightLocationContextPropertiesTest.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r06d52101c6518fba9a61ceac1ff72aced376a44c
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/WaveHeightLocationContextPropertiesTest.cs	(.../WaveHeightLocationContextPropertiesTest.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/WaveHeightLocationContextPropertiesTest.cs	(.../WaveHeightLocationContextPropertiesTest.cs)	(revision 06d52101c6518fba9a61ceac1ff72aced376a44c)
@@ -301,8 +301,10 @@
         {
             // Setup
             var mocks = new MockRepository();
-            var observer = mocks.StrictMock<IObserver>();
-            observer.Expect(o => o.UpdateObserver());
+            var databaseObserver = mocks.StrictMock<IObserver>();
+            databaseObserver.Expect(o => o.UpdateObserver());
+            var locationObserver = mocks.StrictMock<IObserver>();
+            locationObserver.Expect(o => o.UpdateObserver());
             mocks.ReplayAll();
 
             HydraulicBoundaryLocation hydraulicBoundaryLocation = new TestHydraulicBoundaryLocation
@@ -324,7 +326,8 @@
                 }
             };
 
-            hydraulicBoundaryDatabase.Attach(observer);
+            hydraulicBoundaryDatabase.Attach(databaseObserver);
+            hydraulicBoundaryLocation.Attach(locationObserver);
 
             var properties = new WaveHeightLocationContextProperties
             {