diff --git a/sources/diagramprintdialog.cpp b/sources/diagramprintdialog.cpp
index 4c6205278..38f9e7d26 100644
--- a/sources/diagramprintdialog.cpp
+++ b/sources/diagramprintdialog.cpp
@@ -94,7 +94,7 @@ void DiagramPrintDialog::exec() {
 		// affichage du dialogue d'impression standard pour parametrer l'imprimante
 		QPrintDialog print_dialog(printer_, parentWidget());
 #ifdef Q_WS_MAC
-		print_dialog -> setWindowFlags(Qt::Sheet);
+		print_dialog.setWindowFlags(Qt::Sheet);
 #endif
 		print_dialog.setWindowTitle(tr("Options d'impression", "window title"));
 		print_dialog.setEnabledOptions(QAbstractPrintDialog::PrintShowPageSize);
diff --git a/sources/diagramview.cpp b/sources/diagramview.cpp
index a9732adf9..c64a15892 100644
--- a/sources/diagramview.cpp
+++ b/sources/diagramview.cpp
@@ -635,7 +635,10 @@ void DiagramView::editElement(Element *element) {
 	QPushButton *edit_element = new QPushButton(tr("Editer l'\351l\351ment"));
 	
 	// dialogue en lui-meme
-	QMessageBox edit_element_dialog;
+	QMessageBox edit_element_dialog(diagramEditor());
+#ifdef Q_WS_MAC
+	edit_element_dialog.setWindowFlags(Qt::Sheet);
+#endif
 	edit_element_dialog.setIcon(QMessageBox::Information);
 	edit_element_dialog.setWindowTitle(description_title);
 	edit_element_dialog.setText(description_title);
@@ -687,6 +690,9 @@ void DiagramView::editConductor(Conductor *edited_conductor) {
 	
 	// l'insere dans un dialogue
 	QDialog conductor_dialog(diagramEditor());
+#ifdef Q_WS_MAC
+	conductor_dialog.setWindowFlags(Qt::Sheet);
+#endif
 	conductor_dialog.setWindowTitle(tr("\311diter les propri\351t\351s d'un conducteur", "window title"));
 	QVBoxLayout *dialog_layout = new QVBoxLayout(&conductor_dialog);
 	dialog_layout -> addWidget(cpw);
diff --git a/sources/elementdialog.cpp b/sources/elementdialog.cpp
index 7fe2be114..e6bed3527 100644
--- a/sources/elementdialog.cpp
+++ b/sources/elementdialog.cpp
@@ -39,6 +39,9 @@ ElementDialog::ElementDialog(uint mode, QObject *parent) :
 {
 	dialog_  = new QDialog();
 	dialog_ -> setWindowModality(Qt::WindowModal);
+#ifdef Q_WS_MAC
+	dialog_ -> setWindowFlags(Qt::Sheet);
+#endif
 	buttons_ = new QDialogButtonBox();
 	
 	// types selectionnables dans la liste
diff --git a/sources/projectview.cpp b/sources/projectview.cpp
index 6d4f2f118..d980d80a0 100644
--- a/sources/projectview.cpp
+++ b/sources/projectview.cpp
@@ -529,7 +529,7 @@ void ProjectView::exportProject() {
 	
 	ExportDialog ed(project_, parentWidget());
 #ifdef Q_WS_MAC
-	ed.setWindowsFlag(Qt::Sheet);
+	ed.setWindowFlags(Qt::Sheet);
 #endif
 	ed.exec();
 }