diff --git a/ChangeLog b/ChangeLog
index c12d6b64..604447a1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-05-10  Federico Di Gregorio  <fog@initd.org>
+
+	* lib/extras.py: applied DictRow "diet" patch from Marko Kreen.
+
 2009-04-21  Federico Di Gregorio  <fog@initd.org>
 
 	* setup.py: applied patch from Elvis Pranskevichus to make
diff --git a/lib/extras.py b/lib/extras.py
index 4a845ba4..d6337ac6 100644
--- a/lib/extras.py
+++ b/lib/extras.py
@@ -107,6 +107,8 @@ class DictCursor(DictCursorBase):
 class DictRow(list):
     """A row object that allow by-colun-name access to data."""
 
+    __slots__ = ('_index',)
+
     def __init__(self, cursor):
         self._index = cursor.index
         self[:] = [None] * len(cursor.description)
@@ -191,6 +193,9 @@ class RealDictCursor(DictCursorBase):
             self._query_executed = 0           
 
 class RealDictRow(dict):
+
+    __slots__ = ('_column_mapping',)
+
     def __init__(self, cursor):
         dict.__init__(self)
         self._column_mapping = cursor.column_mapping