diff --git a/sources/configdialog.cpp b/sources/configdialog.cpp
index 0ecbcff6a..5accf7603 100644
--- a/sources/configdialog.cpp
+++ b/sources/configdialog.cpp
@@ -53,6 +53,12 @@ ConfigDialog::ConfigDialog(QWidget *parent) : QDialog(parent) {
 	connect(buttons, SIGNAL(accepted()), this, SLOT(applyConf()));
 	connect(buttons, SIGNAL(rejected()), this, SLOT(reject()));
 	connect(pages_list, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)), this, SLOT(changePage(QListWidgetItem *, QListWidgetItem*)));
+	
+#ifdef Q_WS_MAC
+	if (parent) {
+		setWindowFlags(Qt::Sheet);
+	}
+#endif
 }
 
 /// Destructeur
diff --git a/sources/qetapp.cpp b/sources/qetapp.cpp
index bc5ee67c4..4ba5eaf6b 100644
--- a/sources/qetapp.cpp
+++ b/sources/qetapp.cpp
@@ -1154,9 +1154,6 @@ void QETApp::configureQET() {
 	
 	// associe le dialogue a un eventuel widget parent
 	if (parent_widget) {
-#ifdef Q_WS_MAC
-		cd.setWindowFlags(Qt::Sheet);
-#endif
 		cd.setParent(parent_widget, cd.windowFlags());
 	}