diff --git a/addons/base_diagram/static/src/js/diagram.js b/addons/base_diagram/static/src/js/diagram.js
index 121b8a703a6..57ef5e31cea 100644
--- a/addons/base_diagram/static/src/js/diagram.js
+++ b/addons/base_diagram/static/src/js/diagram.js
@@ -225,7 +225,7 @@ openerp.base_diagram.DiagramView = openerp.base.View.extend({
         if ($('div#dia-canvas').children().length > 0) {
         	$('div#dia-canvas').children().remove();
         }
-        var renderer = new Graph.Renderer.Raphael('dia-canvas', dia, 600, 600);
+        var renderer = new Graph.Renderer.Raphael('dia-canvas', dia, $('div#dia-canvas').width(), $('div#dia-canvas').height());
         renderer.draw();
 		
     },