Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresOutputProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -rf25edcfd0994057ea8faad1f3dae989bbfb32d75
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresOutputProperties.cs	(.../StructuresOutputProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresOutputProperties.cs	(.../StructuresOutputProperties.cs)	(revision f25edcfd0994057ea8faad1f3dae989bbfb32d75)
@@ -38,14 +38,14 @@
     /// <summary>
     /// ViewModel of <see cref="StructuresOutput"/> for properties panel.
     /// </summary>
-    public class StructuresOutputProperties : ObjectProperties<StructuresOutput>
+    public abstract class StructuresOutputProperties : ObjectProperties<StructuresOutput>
     {
         /// <summary>
         /// Creates a new instance of <see cref="StructuresOutputProperties"/>.
         /// </summary>
         /// <param name="structuresOutput">The structures output to create the object properties for.</param>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="structuresOutput"/> is <c>null</c>.</exception>
-        public StructuresOutputProperties(StructuresOutput structuresOutput)
+        protected StructuresOutputProperties(StructuresOutput structuresOutput)
         {
             if (structuresOutput == null)
             {
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs
===================================================================
diff -u -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6 -rf25edcfd0994057ea8faad1f3dae989bbfb32d75
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs	(.../StructuresOutputPropertiesTest.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs	(.../StructuresOutputPropertiesTest.cs)	(revision f25edcfd0994057ea8faad1f3dae989bbfb32d75)
@@ -59,7 +59,7 @@
             var structuresOutput = new StructuresOutput(0, new TestProbabilityAssessmentOutput(), null);
 
             // Call
-            var properties = new StructuresOutputProperties(structuresOutput);
+            var properties = new SimpleStructuresOutputProperties(structuresOutput);
 
             // Assert
             Assert.IsInstanceOf<ObjectProperties<StructuresOutput>>(properties);
@@ -70,7 +70,7 @@
         public void Constructor_StructuresOutputNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate test = () => new StructuresOutputProperties(null);
+            TestDelegate test = () => new SimpleStructuresOutputProperties(null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(test);
@@ -99,7 +99,7 @@
             var structuresOutput = new StructuresOutput(reliability, probabilityAssessmentOutput, generalResult);
 
             // Call
-            var properties = new StructuresOutputProperties(structuresOutput);
+            var properties = new SimpleStructuresOutputProperties(structuresOutput);
 
             // Assert
             Assert.AreEqual(ProbabilityFormattingHelper.Format(requiredProbability), properties.RequiredProbability);
@@ -135,7 +135,7 @@
         {
             // Setup
             var structuresOutput = new StructuresOutput(0, new TestProbabilityAssessmentOutput(), null);
-            var properties = new StructuresOutputProperties(structuresOutput);
+            var properties = new SimpleStructuresOutputProperties(structuresOutput);
 
             // Call
             TopLevelFaultTreeIllustrationPointProperties[] illustrationPoints = properties.IllustrationPoints;
@@ -153,7 +153,7 @@
             var structuresOutput = new StructuresOutput(0, probabilityAssessmentOutput, generalResult);
 
             // Call
-            var properties = new StructuresOutputProperties(structuresOutput);
+            var properties = new SimpleStructuresOutputProperties(structuresOutput);
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
@@ -231,7 +231,7 @@
             var structuresOutput = new StructuresOutput(0, probabilityAssessmentOutput, null);
 
             // Call
-            var properties = new StructuresOutputProperties(structuresOutput);
+            var properties = new SimpleStructuresOutputProperties(structuresOutput);
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
@@ -272,5 +272,11 @@
                                                                             "De veiligheidsfactor voor deze berekening.",
                                                                             true);
         }
+
+        private class SimpleStructuresOutputProperties : StructuresOutputProperties
+        {
+            public SimpleStructuresOutputProperties(StructuresOutput structuresOutput) 
+                : base(structuresOutput) {}
+        }
     }
 }
\ No newline at end of file