diff --git a/sources/qetgraphicsitem/crossrefitem.cpp b/sources/qetgraphicsitem/crossrefitem.cpp
index a72a2caee..090796061 100644
--- a/sources/qetgraphicsitem/crossrefitem.cpp
+++ b/sources/qetgraphicsitem/crossrefitem.cpp
@@ -40,6 +40,7 @@ CrossRefItem::CrossRefItem(Element *elmt) :
 
 	connect(elmt,                           SIGNAL(elementInfoChange(DiagramContext)),                this, SLOT(updateLabel()));
 	connect(elmt -> diagram() -> project(), SIGNAL(projectDiagramsOrderChanged(QETProject*,int,int)), this, SLOT(updateLabel()));
+	connect(elmt -> diagram() -> project(), SIGNAL(diagramRemoved(QETProject*,Diagram*)),             this, SLOT(updateLabel()));
 	connect(elmt -> diagram(),              SIGNAL(XRefPropertiesChanged()),                          this, SLOT(updateProperties()));
 
 	//set specific behavior related to the parent item.
diff --git a/sources/qetgraphicsitem/slaveelement.cpp b/sources/qetgraphicsitem/slaveelement.cpp
index 2acb248f1..622c6602f 100644
--- a/sources/qetgraphicsitem/slaveelement.cpp
+++ b/sources/qetgraphicsitem/slaveelement.cpp
@@ -60,6 +60,7 @@ void SlaveElement::linkToElement(Element *elmt) {
 		connect(elmt,                 SIGNAL(yChanged()),                                       this, SLOT(updateLabel()));
 		connect(elmt,                 SIGNAL(elementInfoChange(DiagramContext)),                this, SLOT(updateLabel()));
 		connect(diagram()->project(), SIGNAL(projectDiagramsOrderChanged(QETProject*,int,int)), this, SLOT(updateLabel()));
+		connect(diagram()->project(), SIGNAL(diagramRemoved(QETProject*,Diagram*)),             this, SLOT(updateLabel()));
 
 		updateLabel();
 		elmt -> linkToElement(this);
@@ -93,6 +94,7 @@ void SlaveElement::unlinkElement(Element *elmt) {
 		disconnect(elmt,                 SIGNAL(yChanged()),                                       this, SLOT(updateLabel()));
 		disconnect(elmt,                 SIGNAL(elementInfoChange(DiagramContext)),                this, SLOT(updateLabel()));
 		disconnect(diagram()->project(), SIGNAL(projectDiagramsOrderChanged(QETProject*,int,int)), this, SLOT(updateLabel()));
+		disconnect(diagram()->project(), SIGNAL(diagramRemoved(QETProject*,Diagram*)),             this, SLOT(updateLabel()));
 
 		delete Xref_item; Xref_item = NULL;