Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs
===================================================================
diff -u -r30f69be7d009744f9d2422bc69b5aefc50db5d38 -r94af4e8db580e65525ef1f8b2f7f7a180efa990f
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs	(.../StabilityPointStructuresFailureMechanism.cs)	(revision 30f69be7d009744f9d2422bc69b5aefc50db5d38)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs	(.../StabilityPointStructuresFailureMechanism.cs)	(revision 94af4e8db580e65525ef1f8b2f7f7a180efa990f)
@@ -46,7 +46,7 @@
         /// Initializes a new instance of the <see cref="StabilityPointStructuresFailureMechanism"/> class.
         /// </summary>
         public StabilityPointStructuresFailureMechanism()
-            : base(Resources.StabilityPointStructuresFailureMechanism_DisplayName, Resources.StabilityPointStructuresFailureMechanism_Code)
+            : base(Resources.StabilityPointStructuresFailureMechanism_DisplayName, Resources.StabilityPointStructuresFailureMechanism_Code, 1)
         {
             CalculationsGroup = new CalculationGroup
             {
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.Test/StabilityPointStructuresFailureMechanismTest.cs
===================================================================
diff -u -rfc8446fc65eb82bb381278d8a94fd061e6278bbe -r94af4e8db580e65525ef1f8b2f7f7a180efa990f
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.Test/StabilityPointStructuresFailureMechanismTest.cs	(.../StabilityPointStructuresFailureMechanismTest.cs)	(revision fc8446fc65eb82bb381278d8a94fd061e6278bbe)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.Test/StabilityPointStructuresFailureMechanismTest.cs	(.../StabilityPointStructuresFailureMechanismTest.cs)	(revision 94af4e8db580e65525ef1f8b2f7f7a180efa990f)
@@ -46,6 +46,7 @@
             Assert.IsInstanceOf<IHasSectionResults<StabilityPointStructuresFailureMechanismSectionResult>>(failureMechanism);
             Assert.AreEqual("Kunstwerken - Sterkte en stabiliteit puntconstructies", failureMechanism.Name);
             Assert.AreEqual("STKWp", failureMechanism.Code);
+            Assert.AreEqual(1, failureMechanism.AssemblyGroup);
 
             Assert.IsInstanceOf<GeneralStabilityPointStructuresInput>(failureMechanism.GeneralInput);