--- a/Dialogs.py	Tue Sep 18 18:05:52 2007 +0200
+++ b/Dialogs.py	Wed Sep 19 13:28:04 2007 +0200
@@ -1130,7 +1130,7 @@
         dc = wx.ClientDC(self.Preview)
         dc.Clear()
         self.PowerRail = LD_PowerRail(self.Preview, self.Type, connectors = [True for i in xrange(self.PinNumber.GetValue())])
-        min_width, min_height = self.PowerRail.GetMinSize()
+        min_width, min_height = 2, LD_LINE_SIZE * self.PinNumber.GetValue()
         width, height = max(min_width, self.PowerRailMinSize[0]), max(min_height, self.PowerRailMinSize[1])
         self.PowerRail.SetSize(width, height)
         clientsize = self.Preview.GetClientSize()