diff --git a/sources/diagramprintdialog.cpp b/sources/diagramprintdialog.cpp
index 38f9e7d26..8c1209995 100644
--- a/sources/diagramprintdialog.cpp
+++ b/sources/diagramprintdialog.cpp
@@ -76,6 +76,19 @@ QString DiagramPrintDialog::docName() const {
 	return(doc_name_);
 }
 
+/**
+	@param diagram Un schema
+	@return le rectangle a imprimer pour ce schema
+*/
+QRect DiagramPrintDialog::diagramRect(Diagram *diagram) const {
+	if (!diagram) return(QRect());
+	
+	// ajuste la bordure du schema d'un pixel (epaisseur du trait)
+	QRect diagram_rect = diagram -> border().adjusted(0.0, 0.0, 1.0, 1.0).toAlignedRect();
+	
+	return(diagram_rect);
+}
+
 /**
 	Execute le dialogue d'impression
 */
@@ -135,7 +148,7 @@ int DiagramPrintDialog::pagesCount(Diagram *diagram, bool fullpage) const {
 int DiagramPrintDialog::horizontalPagesCount(Diagram *diagram, bool fullpage) const {
 	// note : pageRect et Paper Rect tiennent compte de l'orientation du papier
 	QRect printable_area = fullpage ? printer_ -> paperRect() : printer_ -> pageRect();
-	QRect diagram_rect = diagram -> border().toRect();
+	QRect diagram_rect = diagramRect(diagram);
 	
 	int h_pages_count = int(ceil(qreal(diagram_rect.width()) / qreal(printable_area.width())));
 	return(h_pages_count);
@@ -149,7 +162,7 @@ int DiagramPrintDialog::horizontalPagesCount(Diagram *diagram, bool fullpage) co
 int DiagramPrintDialog::verticalPagesCount(Diagram *diagram, bool fullpage) const {
 	// note : pageRect et Paper Rect tiennent compte de l'orientation du papier
 	QRect printable_area = fullpage ? printer_ -> paperRect() : printer_ -> pageRect();
-	QRect diagram_rect = diagram -> border().toRect();
+	QRect diagram_rect = diagramRect(diagram);
 	
 	int v_pages_count = int(ceil(qreal(diagram_rect.height()) / qreal(printable_area.height())));
 	return(v_pages_count);
@@ -349,10 +362,10 @@ void DiagramPrintDialog::printDiagram(Diagram *diagram, bool fit_page, QPainter
 	
 	if (fit_page) {
 		// impression adaptee sur une seule page
-		diagram -> render(qp, QRectF(), diagram -> border(), Qt::KeepAspectRatio);
+		diagram -> render(qp, QRectF(), diagramRect(diagram), Qt::KeepAspectRatio);
 	} else {
 		// impression sur une ou plusieurs pages
-		QRect diagram_rect = diagram -> border().adjusted(0.0, 0.0, 1.0, 1.0).toAlignedRect();
+		QRect diagram_rect = diagramRect(diagram);
 		QRect printed_area = full_page ? printer -> paperRect() : printer -> pageRect();
 		//qDebug() << "impression sur une ou plusieurs pages";
 		//qDebug() << "  schema :" << diagram_rect;
diff --git a/sources/diagramprintdialog.h b/sources/diagramprintdialog.h
index 645ba0569..bf8ba22e0 100644
--- a/sources/diagramprintdialog.h
+++ b/sources/diagramprintdialog.h
@@ -40,6 +40,7 @@ class DiagramPrintDialog : public QWidget {
 	QString fileName() const;
 	void setDocName(const QString &);
 	QString docName() const;
+	QRect diagramRect(Diagram *) const;
 	int pagesCount(Diagram *, bool = false) const;
 	int horizontalPagesCount(Diagram *, bool = false) const;
 	int verticalPagesCount(Diagram *, bool = false) const;