@@ -645,11 +645,12 @@ class DotWindow(gtk.Window):

 	def get_url(self, x, y):

 		rect = self.area.get_allocation()

 		x -= 0.5*rect.width

-		y = 0.5*rect.height - y

+		y -= 0.5*rect.height

 		x /= self.zoom_ratio

 		y /= self.zoom_ratio

 		x += self.x

 		y += self.y

+		y = self.height - y

 		for hyperlink in self.hyperlinks:

 			if hyperlink.hit(x, y):