diff --git a/borderinset.cpp b/borderinset.cpp
index a04afe45b..846612658 100644
--- a/borderinset.cpp
+++ b/borderinset.cpp
@@ -132,6 +132,13 @@ void BorderInset::removeColumn() {
 	updateRectangles();
 }
 
+void BorderInset::setNbColumns(int nb_c) {
+	if (nb_c < 3) return;
+	nb_columns = nb_c;
+	setInsetWidth(nb_columns * columns_width);
+	updateRectangles();
+}
+
 /**
 	Change la largeur des colonnes ; celle-ci doit rester comprise entre 10 et
 	200px.
diff --git a/borderinset.h b/borderinset.h
index 1de25ef63..29119e9a1 100644
--- a/borderinset.h
+++ b/borderinset.h
@@ -40,6 +40,7 @@
 		// methodes d'acces en ecriture aux dimensions
 		void addColumn             ();
 		void removeColumn          ();
+		void setNbColumns          (int);
 		void setColumnsWidth       (const qreal &);
 		void setColumnsHeaderHeight(const qreal &);
 		void setColumnsHeight      (const qreal &);
diff --git a/diagram.cpp b/diagram.cpp
index 1abed5912..ba836d081 100644
--- a/diagram.cpp
+++ b/diagram.cpp
@@ -158,6 +158,9 @@ QDomDocument Diagram::toXml(bool diagram) {
 		if (!border_and_inset.title().isNull())     racine.setAttribute("titre",    border_and_inset.title());
 		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.nbColumn());
+		racine.setAttribute("colsize", border_and_inset.columnsWidth());
+		racine.setAttribute("height",  border_and_inset.columnsHeight());
 	}
 	document.appendChild(racine);
 	
@@ -227,6 +230,19 @@ bool Diagram::fromXml(QDomDocument &document, QPointF position, bool consider_in
 		border_and_inset.setDate(QDate::fromString(racine.attribute("date"), "yyyyMMdd"));
 		border_and_inset.setFileName(racine.attribute("filename"));
 		border_and_inset.setFolio(racine.attribute("folio"));
+		
+		bool ok;
+		// nombre de colonnes
+		int nb_cols = racine.attribute("cols").toInt(&ok);
+		if (ok) border_and_inset.setNbColumns(nb_cols);
+		
+		// taille des colonnes
+		double col_size = racine.attribute("colsize").toDouble(&ok);
+		if (ok) border_and_inset.setColumnsWidth(col_size);
+		
+		// hauteur du schema
+		double height = racine.attribute("height").toDouble(&ok);
+		if (ok) border_and_inset.setColumnsHeight(height);
 	}
 	
 	// si la racine n'a pas d'enfant : le chargement est fini (schema vide)