diff --git a/sources/conductor.cpp b/sources/conductor.cpp
index ed58bcbc5..f17881ab9 100644
--- a/sources/conductor.cpp
+++ b/sources/conductor.cpp
@@ -931,7 +931,7 @@ QDomElement Conductor::toXml(QDomDocument &d, QHash<Terminal *, int> &table_adr_
 		foreach(ConductorSegment *segment, segmentsList()) {
 			current_segment = d.createElement("segment");
 			current_segment.setAttribute("orientation", segment -> isHorizontal() ? "horizontal" : "vertical");
-			current_segment.setAttribute("length", segment -> length());
+			current_segment.setAttribute("length", QString("%1").arg(segment -> length()));
 			e.appendChild(current_segment);
 		}
 	}
diff --git a/sources/diagram.cpp b/sources/diagram.cpp
index 55e3cfc52..350d7a4fe 100644
--- a/sources/diagram.cpp
+++ b/sources/diagram.cpp
@@ -248,11 +248,11 @@ QDomDocument Diagram::toXml(bool diagram) {
 		if (!border_and_inset.fileName().isNull())  racine.setAttribute("filename", border_and_inset.fileName());
 		if (!border_and_inset.folio().isNull())     racine.setAttribute("folio",    border_and_inset.folio());
 		racine.setAttribute("cols",    border_and_inset.nbColumns());
-		racine.setAttribute("colsize", border_and_inset.columnsWidth());
+		racine.setAttribute("colsize", QString("%1").arg(border_and_inset.columnsWidth()));
 		racine.setAttribute("rows",    border_and_inset.nbRows());
-		racine.setAttribute("rowsize", border_and_inset.rowsHeight());
+		racine.setAttribute("rowsize", QString("%1").arg(border_and_inset.rowsHeight()));
 		// attribut datant de la version 0.1 - laisse pour retrocompatibilite
-		racine.setAttribute("height",  border_and_inset.diagramHeight());
+		racine.setAttribute("height",  QString("%1").arg(border_and_inset.diagramHeight()));
 		racine.setAttribute("displaycols", border_and_inset.columnsAreDisplayed() ? "true" : "false");
 		racine.setAttribute("displayrows", border_and_inset.rowsAreDisplayed()    ? "true" : "false");
 		
diff --git a/sources/diagramtextitem.cpp b/sources/diagramtextitem.cpp
index 3724ac323..65d8ca490 100644
--- a/sources/diagramtextitem.cpp
+++ b/sources/diagramtextitem.cpp
@@ -99,8 +99,8 @@ void DiagramTextItem::fromXml(const QDomElement &e) {
 */
 QDomElement DiagramTextItem::toXml(QDomDocument &document) const {
 	QDomElement result = document.createElement("input");
-	result.setAttribute("x", pos().x());
-	result.setAttribute("y", pos().y());
+	result.setAttribute("x", QString("%1").arg(pos().x()));
+	result.setAttribute("y", QString("%1").arg(pos().y()));
 	result.setAttribute("text", toPlainText());
 	return(result);
 }
diff --git a/sources/editor/partarc.cpp b/sources/editor/partarc.cpp
index c22b3438c..784eec56b 100644
--- a/sources/editor/partarc.cpp
+++ b/sources/editor/partarc.cpp
@@ -80,12 +80,12 @@ void PartArc::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget
 const QDomElement PartArc::toXml(QDomDocument &xml_document) const {
 	QDomElement xml_element = xml_document.createElement("arc");
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", top_left.x());
-	xml_element.setAttribute("y", top_left.y());
-	xml_element.setAttribute("width",  rect().width());
-	xml_element.setAttribute("height", rect().height());
-	xml_element.setAttribute("start", start_angle);
-	xml_element.setAttribute("angle", _angle);
+	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
+	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
+	xml_element.setAttribute("width",  QString("%1").arg(rect().width()));
+	xml_element.setAttribute("height", QString("%1").arg(rect().height()));
+	xml_element.setAttribute("start", QString("%1").arg(start_angle));
+	xml_element.setAttribute("angle", QString("%1").arg(_angle));
 	stylesToXml(xml_element);
 	return(xml_element);
 }
diff --git a/sources/editor/partcircle.cpp b/sources/editor/partcircle.cpp
index b861efca9..e0f72501d 100644
--- a/sources/editor/partcircle.cpp
+++ b/sources/editor/partcircle.cpp
@@ -68,9 +68,9 @@ void PartCircle::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWid
 const QDomElement PartCircle::toXml(QDomDocument &xml_document) const {
 	QDomElement xml_element = xml_document.createElement("circle");
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", top_left.x());
-	xml_element.setAttribute("y", top_left.y());
-	xml_element.setAttribute("diameter",  rect().width());
+	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
+	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
+	xml_element.setAttribute("diameter",  QString("%1").arg(rect().width()));
 	stylesToXml(xml_element);
 	return(xml_element);
 }
diff --git a/sources/editor/partellipse.cpp b/sources/editor/partellipse.cpp
index 43ee4fab8..e3765c0ec 100644
--- a/sources/editor/partellipse.cpp
+++ b/sources/editor/partellipse.cpp
@@ -68,10 +68,10 @@ void PartEllipse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWi
 const QDomElement PartEllipse::toXml(QDomDocument &xml_document) const {
 	QDomElement xml_element = xml_document.createElement("ellipse");
 	QPointF top_left(sceneTopLeft());
-	xml_element.setAttribute("x", top_left.x());
-	xml_element.setAttribute("y", top_left.y());
-	xml_element.setAttribute("width",  rect().width());
-	xml_element.setAttribute("height", rect().height());
+	xml_element.setAttribute("x", QString("%1").arg(top_left.x()));
+	xml_element.setAttribute("y", QString("%1").arg(top_left.y()));
+	xml_element.setAttribute("width",  QString("%1").arg(rect().width()));
+	xml_element.setAttribute("height", QString("%1").arg(rect().height()));
 	stylesToXml(xml_element);
 	return(xml_element);
 }
diff --git a/sources/editor/partline.cpp b/sources/editor/partline.cpp
index 938722c02..16eef95e7 100644
--- a/sources/editor/partline.cpp
+++ b/sources/editor/partline.cpp
@@ -66,10 +66,10 @@ const QDomElement PartLine::toXml(QDomDocument &xml_document) const {
 	QPointF p2(sceneP2());
 	
 	QDomElement xml_element = xml_document.createElement("line");
-	xml_element.setAttribute("x1", p1.x());
-	xml_element.setAttribute("y1", p1.y());
-	xml_element.setAttribute("x2", p2.x());
-	xml_element.setAttribute("y2", p2.y());
+	xml_element.setAttribute("x1", QString("%1").arg(p1.x()));
+	xml_element.setAttribute("y1", QString("%1").arg(p1.y()));
+	xml_element.setAttribute("x2", QString("%1").arg(p2.x()));
+	xml_element.setAttribute("y2", QString("%1").arg(p2.y()));
 	stylesToXml(xml_element);
 	return(xml_element);
 }
diff --git a/sources/element.cpp b/sources/element.cpp
index 2b5fca780..f74199947 100644
--- a/sources/element.cpp
+++ b/sources/element.cpp
@@ -421,8 +421,8 @@ QDomElement Element::toXml(QDomDocument &document, QHash<Terminal *, int> &table
 	element.setAttribute("type", type_elmt);
 	
 	// position, selection et orientation
-	element.setAttribute("x", pos().x());
-	element.setAttribute("y", pos().y());
+	element.setAttribute("x", QString("%1").arg(pos().x()));
+	element.setAttribute("y", QString("%1").arg(pos().y()));
 	element.setAttribute("orientation", QString("%1").arg(ori.current()));
 	
 	/* recupere le premier id a utiliser pour les bornes de cet element */
diff --git a/sources/elementtextitem.cpp b/sources/elementtextitem.cpp
index 93147ab86..e68965ced 100644
--- a/sources/elementtextitem.cpp
+++ b/sources/elementtextitem.cpp
@@ -98,8 +98,8 @@ void ElementTextItem::fromXml(const QDomElement &e) {
 */
 QDomElement ElementTextItem::toXml(QDomDocument &document) const {
 	QDomElement result = document.createElement("input");
-	result.setAttribute("x", originalPos().x());
-	result.setAttribute("y", originalPos().y());
+	result.setAttribute("x", QString("%1").arg(originalPos().x()));
+	result.setAttribute("y", QString("%1").arg(originalPos().y()));
 	result.setAttribute("text", toPlainText());
 	return(result);
 }
diff --git a/sources/terminal.cpp b/sources/terminal.cpp
index 818bb099e..d33c1bc08 100644
--- a/sources/terminal.cpp
+++ b/sources/terminal.cpp
@@ -428,8 +428,8 @@ QList<Conductor *> Terminal::conductors() const {
 */
 QDomElement Terminal::toXml(QDomDocument &doc) const {
 	QDomElement qdo = doc.createElement("terminal");
-	qdo.setAttribute("x", amarrage_elmt.x());
-	qdo.setAttribute("y", amarrage_elmt.y());
+	qdo.setAttribute("x", QString("%1").arg(amarrage_elmt.x()));
+	qdo.setAttribute("y",  QString("%1").arg(amarrage_elmt.y()));
 	qdo.setAttribute("orientation", sens);
 	return(qdo);
 }