diff --git a/sources/conductorpropertieswidget.cpp b/sources/conductorpropertieswidget.cpp
index 2efb25133..5ef2d2ccb 100644
--- a/sources/conductorpropertieswidget.cpp
+++ b/sources/conductorpropertieswidget.cpp
@@ -116,7 +116,7 @@ void ConductorPropertiesWidget::buildInterface() {
 	
 	QHBoxLayout *singleline_layout1 = new QHBoxLayout();
 	preview = new QLabel();
-	preview -> setFixedSize(96, 96);
+	preview -> setFixedSize(150, 150);
 	singleline_layout1 -> addWidget(preview);
 	singleline_layout1 -> addLayout(singleline_layout2);
 	
diff --git a/sources/diagramview.cpp b/sources/diagramview.cpp
index 74cab954a..b53f4893b 100644
--- a/sources/diagramview.cpp
+++ b/sources/diagramview.cpp
@@ -586,8 +586,7 @@ void DiagramView::editDiagramProperties() {
 	layout_v.addLayout(hlayout1);
 	layout_v.addStretch();
 	layout_v.addWidget(&boutons);
-	//workaround to get a good size by default with this widget
-	popup.setMinimumSize(popup.minimumSizeHint());
+
 
 	// si le dialogue est accepte
 	if (popup.exec() == QDialog::Accepted && !diagram_is_read_only) {