diff --git a/odoo/tools/config.py b/odoo/tools/config.py
index 3a227fb5142..02f467dcc54 100644
--- a/odoo/tools/config.py
+++ b/odoo/tools/config.py
@@ -3,8 +3,11 @@
 
 try:
     import configparser as ConfigParser
+    CP_kw = dict(interpolation=None)
 except ImportError:
     import ConfigParser
+    CP_kw = dict()
+
 import optparse
 import os
 import sys
@@ -500,7 +503,7 @@ class configmanager(object):
         setattr(parser.values, option.dest, ",".join(ad_paths))
 
     def load(self):
-        p = ConfigParser.ConfigParser()
+        p = ConfigParser.ConfigParser(**CP_kw)
         try:
             p.read([self.rcfile])
             for (name,value) in p.items('options'):
@@ -526,7 +529,7 @@ class configmanager(object):
             pass
 
     def save(self):
-        p = ConfigParser.ConfigParser()
+        p = ConfigParser.ConfigParser(**CP_kw)
         loglevelnames = dict(zip(self._LOGLEVELS.values(), self._LOGLEVELS.keys()))
         p.add_section('options')
         for opt in sorted(self.options.keys()):