diff --git a/sources/conductor.h b/sources/conductor.h
index 979e1132d..f9d5ec2a1 100644
--- a/sources/conductor.h
+++ b/sources/conductor.h
@@ -123,7 +123,7 @@ class Conductor : public QObject, public QGraphicsPathItem {
 	static QBrush square_brush;
 	static bool pen_and_brush_initialized;
 	/// facteur de taille du carre de saisie du segment
-	int segments_squares_scale_;
+	qreal segments_squares_scale_;
 	
 	private:
 	void segmentsToPath();