Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/WaveHeightLocationsView.cs
===================================================================
diff -u -r1042a38d3663daeda5a8e1083edbc63a4b6aae94 -r5964d4196c1f7f02df79e98ef4f876a338abef62
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/WaveHeightLocationsView.cs	(.../WaveHeightLocationsView.cs)	(revision 1042a38d3663daeda5a8e1083edbc63a4b6aae94)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/WaveHeightLocationsView.cs	(.../WaveHeightLocationsView.cs)	(revision 5964d4196c1f7f02df79e98ef4f876a338abef62)
@@ -57,10 +57,16 @@
             {
                 return;
             }
-            CalculationGuiService.CalculateWaveHeights(AssessmentSection.HydraulicBoundaryDatabase.FilePath,
+            
+            bool successfulCalculation = CalculationGuiService.CalculateWaveHeights(AssessmentSection.HydraulicBoundaryDatabase.FilePath,
                 locations,
                 AssessmentSection.Id,
                 AssessmentSection.FailureMechanismContribution.Norm, new WaveHeightCalculationMessageProvider());
+
+            if (successfulCalculation)
+            {
+                AssessmentSection.HydraulicBoundaryDatabase.NotifyObservers();
+            }
         }
 
         protected override void InitializeDataGridView()