diff --git a/repository/OpenPonk-Core/OPMementoDirectorySerializer.class.st b/repository/OpenPonk-Core/OPMementoDirectorySerializer.class.st
index d897f341..ba11bb66 100644
--- a/repository/OpenPonk-Core/OPMementoDirectorySerializer.class.st
+++ b/repository/OpenPonk-Core/OPMementoDirectorySerializer.class.st
@@ -59,7 +59,8 @@ OPMementoDirectorySerializer >> loadMementoFrom: aFolder [
 		modelDir := aFolder ].
 	model := self loadModelFrom: modelDir.
 	(OPNavigatorAdapters new allChildrenFor: model) do: [ :each |
-		SystemNotification signal: 'UUID: ' , each uuid asString ].
+		SystemNotification signal:
+			'Loaded UUID: ' , (each instVarNamed: 'uuid') asString ].
 	^ OPMemento
 		  model: model
 		  diagrams: (self loadDiagramsOf: model from: aFolder / 'diagrams')
@@ -119,6 +120,9 @@ OPMementoDirectorySerializer >> saveMemento: aMemento to: aFolder [
 OPMementoDirectorySerializer >> saveModelOf: aMemento to: aFolder [
 
 	| modelSerializer |
+	(OPNavigatorAdapters new allChildrenFor: aMemento model) do: [ :each |
+		SystemNotification signal:
+			'Saving UUID: ' , (each instVarNamed: 'uuid') asString ].
 	modelSerializer := plugin modelSerializerClass new.
 	modelSerializer class saveExportInfoTo: aFolder.
 	(aFolder / 'model' , modelSerializer formatName)