diff -r 68ff332b6b07 -r d95e143412a4 client/js/renderer/scene.js
--- a/client/js/renderer/scene.js	Thu Mar 12 11:00:47 2015 +0100
+++ b/client/js/renderer/scene.js	Fri Mar 13 12:00:48 2015 +0100
@@ -283,8 +283,11 @@
         		newWidth= _this.canvas_$.parent().width(),
 				newHeight = _this.canvas_$.parent().height();
         	
+            // Because of paper bug which does not calculate the good height and width
+            // We have to update manually the canvas's height and width        	
             paper.view._viewSize.height =  _event.size.height = _this.canvas_$.parent().height();
-
+            paper.view._viewSize.width =  _event.size.height = _this.canvas_$.parent().width();
+            
             if (_this.minimap) {
                 _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size);
                 _this.minimap.rectangle.fitBounds(_this.minimap.topleft.subtract([2,2]), _this.minimap.size.add([4,4]));