Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -rf901ac8826dcce6212b8f7c17e714046ef52de57 -rdbf85f8af33717398f517d8e1602fe58e023e369
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision f901ac8826dcce6212b8f7c17e714046ef52de57)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision dbf85f8af33717398f517d8e1602fe58e023e369)
@@ -383,6 +383,10 @@
                 CreateInstance = context => new FailureMechanismAssemblyCategoriesProperties(context.GetFailureMechanismCategoriesFunc(),
                                                                                              context.GetFailureMechanismSectionAssemblyCategoriesFunc())
             };
+            yield return new PropertyInfo<DesignWaterLevelCalculationsGroupContext, DesignWaterLevelCalculationsGroupProperties>
+            {
+                CreateInstance = context => new DesignWaterLevelCalculationsGroupProperties(context.WrappedData, context.AssessmentSection)
+            };
         }
 
         /// <summary>