diff -r b0d6819119c3 -r cfa295862d55 Viewer.py
--- a/Viewer.py	Mon Jul 04 15:24:44 2011 +0200
+++ b/Viewer.py	Fri Aug 12 17:04:55 2011 +0200
@@ -1925,7 +1925,7 @@
         if dialog.ShowModal() == wx.ID_OK:
             id = self.GetNewId()
             values = dialog.GetValues()
-            powerrail = LD_PowerRail(self, values["type"], id, [True for i in xrange(values["number"])])
+            powerrail = LD_PowerRail(self, values["type"], id, values["number"])
             powerrail.SetPosition(bbox.x, bbox.y)
             powerrail.SetSize(*self.GetScaledSize(values["width"], values["height"]))
             self.AddBlock(powerrail)