Index: Ringtoets/Integration/src/Ringtoets.Integration.IO/Creators/SerializableAssemblyCreator.cs
===================================================================
diff -u -rb9258119a7e00cd9d55f06eee1013ce0d0ce0b73 -rb84a46c914656f8c9b8b2952a2e3a992b4d8170f
--- Ringtoets/Integration/src/Ringtoets.Integration.IO/Creators/SerializableAssemblyCreator.cs	(.../SerializableAssemblyCreator.cs)	(revision b9258119a7e00cd9d55f06eee1013ce0d0ce0b73)
+++ Ringtoets/Integration/src/Ringtoets.Integration.IO/Creators/SerializableAssemblyCreator.cs	(.../SerializableAssemblyCreator.cs)	(revision b84a46c914656f8c9b8b2952a2e3a992b4d8170f)
@@ -78,6 +78,10 @@
             serializableFailureMechanismSectionCollection.AddRange(aggregatedFailureMechanismsWithProbability.Select(afm => afm.FailureMechanismSectionCollection));
             serializableFailureMechanismSectionCollection.AddRange(aggregatedFailureMechanismsWithoutProbability.Select(afm => afm.FailureMechanismSectionCollection));
 
+            var serializableFailureMechanismSections = new List<SerializableFailureMechanismSection>();
+            serializableFailureMechanismSections.AddRange(aggregatedFailureMechanismsWithProbability.SelectMany(afm => afm.FailureMechanismSections));
+            serializableFailureMechanismSections.AddRange(aggregatedFailureMechanismsWithoutProbability.SelectMany(afm => afm.FailureMechanismSections));
+
             return new SerializableAssembly(serializableAssemblyId,
                                             GetLowerCorner(assessmentSection.Geometry),
                                             GetUpperCorner(assessmentSection.Geometry),
@@ -88,7 +92,7 @@
                                             Enumerable.Empty<SerializableFailureMechanismSectionAssembly>(),
                                             Enumerable.Empty<SerializableCombinedFailureMechanismSectionAssembly>(),
                                             serializableFailureMechanismSectionCollection,
-                                            Enumerable.Empty<SerializableFailureMechanismSection>());
+                                            serializableFailureMechanismSections);
         }
 
         private static Point2D GetLowerCorner(IEnumerable<Point2D> geometry)