diff --git a/Lib/ConfigParser.py b/Lib/ConfigParser.py
index b6af6f9..1861b5a 100644
--- a/Lib/ConfigParser.py
+++ b/Lib/ConfigParser.py
@@ -87,6 +87,12 @@
         write the configuration state in .ini format
 """
 
+try:
+    from collections import OrderedDict as _default_dict
+except ImportError:
+    # fallback for setup.py which hasn't yet built _collections
+    _default_dict = dict
+
 import re
 
 __all__ = ["NoSectionError", "DuplicateSectionError", "NoOptionError",
@@ -215,7 +221,7 @@
 
 
 class RawConfigParser:
-    def __init__(self, defaults=None, dict_type=dict):
+    def __init__(self, defaults=None, dict_type=_default_dict):
         self._dict = dict_type
         self._sections = self._dict()
         self._defaults = self._dict()