diff -r fc7e0b8ed9d3 -r 9c74d00ce93e graphics/LD_Objects.py
--- a/graphics/LD_Objects.py	Mon Dec 10 15:52:49 2007 +0100
+++ b/graphics/LD_Objects.py	Wed Dec 26 16:38:09 2007 +0100
@@ -295,8 +295,9 @@
         handle_type, handle = self.Handle
         # A connector has been handled
         if handle_type == HANDLE_CONNECTOR:
+            movey = max(-self.BoundingBox.y, movey)
             self.MoveConnector(handle, movey)
-            return False, True
+            return 0, movey
         else:
             return Graphic_Element.ProcessDragging(self, movex, movey)