diff --git a/src/gen/lib/notebase.py b/src/gen/lib/notebase.py
index e7b86189c..06c6c5f87 100644
--- a/src/gen/lib/notebase.py
+++ b/src/gen/lib/notebase.py
@@ -84,7 +84,8 @@ class NoteBase(object):
         """
         if handle in self.note_list:
             self.note_list.remove(handle)
-        map(item.remove_note, self.get_note_child_list())
+        for item in self.get_note_child_list():
+            item.remove_note(handle)
     
     def get_note_child_list(self):
         """