Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Converters/ProjectEntityConverter.cs
===================================================================
diff -u -rbd8a3e95f0145815fa6724a162404a76c9dc9f5a -raf521f167fabb7052a06e6a3d12575d3c3f18ab4
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Converters/ProjectEntityConverter.cs	(.../ProjectEntityConverter.cs)	(revision bd8a3e95f0145815fa6724a162404a76c9dc9f5a)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Converters/ProjectEntityConverter.cs	(.../ProjectEntityConverter.cs)	(revision af521f167fabb7052a06e6a3d12575d3c3f18ab4)
@@ -45,8 +45,15 @@
                 throw new ArgumentNullException("entity");
             }
 
-            if (model() == null)
+            try
             {
+                if (model() == null)
+                {
+                    throw new ArgumentNullException("model");
+                }
+            }
+            catch (NullReferenceException)
+            {
                 throw new ArgumentNullException("model");
             }