Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r6949918830314633db5cc8c16bb2188779fffc93 -r16559315c0a64fffd05827d249200c62e353231f
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 6949918830314633db5cc8c16bb2188779fffc93)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 16559315c0a64fffd05827d249200c62e353231f)
@@ -1134,8 +1134,8 @@
                 .GetFailureMechanisms()
                 .Select(failureMechanism => failureMechanismAssociations
                             .First(a => a.Match(failureMechanism))
-                            .Create(failureMechanism, assessmentSection)
-                );
+                            .Create(failureMechanism, assessmentSection))
+                .ToArray();
         }
 
         private static void AssessmentSectionOnNodeRenamed(IAssessmentSection nodeData, string newName)