Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelCalculationsProperties.cs
===================================================================
diff -u -r46813455904b4f3292777b0e05458bbf3640d1a8 -rd7bdc353ab1b0cce0c79e34287616cb11ec4e50e
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelCalculationsProperties.cs	(.../DesignWaterLevelCalculationsProperties.cs)	(revision 46813455904b4f3292777b0e05458bbf3640d1a8)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/DesignWaterLevelCalculationsProperties.cs	(.../DesignWaterLevelCalculationsProperties.cs)	(revision d7bdc353ab1b0cce0c79e34287616cb11ec4e50e)
@@ -40,9 +40,9 @@
         /// <summary>
         /// Creates a new instance of <see cref="DesignWaterLevelCalculationsProperties"/>.
         /// </summary>
-        /// <param name="hydraulicBoundaryLocationCalculations">The list of hydraulic boundary location calculations to set as data.</param>
+        /// <param name="hydraulicBoundaryLocationCalculations">The enumeration of hydraulic boundary location calculations to set as data.</param>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocationCalculations"/> is <c>null</c>.</exception>
-        public DesignWaterLevelCalculationsProperties(ObservableList<HydraulicBoundaryLocationCalculation> hydraulicBoundaryLocationCalculations)
+        public DesignWaterLevelCalculationsProperties(IObservableEnumerable<HydraulicBoundaryLocationCalculation> hydraulicBoundaryLocationCalculations)
             : base(hydraulicBoundaryLocationCalculations) {}
 
         [TypeConverter(typeof(ExpandableArrayConverter))]
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightCalculationsProperties.cs
===================================================================
diff -u -r46813455904b4f3292777b0e05458bbf3640d1a8 -rd7bdc353ab1b0cce0c79e34287616cb11ec4e50e
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightCalculationsProperties.cs	(.../WaveHeightCalculationsProperties.cs)	(revision 46813455904b4f3292777b0e05458bbf3640d1a8)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/WaveHeightCalculationsProperties.cs	(.../WaveHeightCalculationsProperties.cs)	(revision d7bdc353ab1b0cce0c79e34287616cb11ec4e50e)
@@ -40,9 +40,9 @@
         /// <summary>
         /// Creates a new instance of <see cref="WaveHeightCalculationsProperties"/>.
         /// </summary>
-        /// <param name="hydraulicBoundaryLocationCalculations">The list of hydraulic boundary location calculations to set as data.</param>
+        /// <param name="hydraulicBoundaryLocationCalculations">The enumeration of hydraulic boundary location calculations to set as data.</param>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocationCalculations"/> is <c>null</c>.</exception>
-        public WaveHeightCalculationsProperties(ObservableList<HydraulicBoundaryLocationCalculation> hydraulicBoundaryLocationCalculations)
+        public WaveHeightCalculationsProperties(IObservableEnumerable<HydraulicBoundaryLocationCalculation> hydraulicBoundaryLocationCalculations)
             : base(hydraulicBoundaryLocationCalculations) {}
 
         [TypeConverter(typeof(ExpandableArrayConverter))]