diff --git a/odoo-bin b/odoo-bin
index c417b226d87..b2a0e17ff83 100755
--- a/odoo-bin
+++ b/odoo-bin
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
+__import__('pkg_resources').declare_namespace('odoo.addons')
 import odoo
 
 if __name__ == "__main__":
     odoo.cli.main()
-
diff --git a/odoo/addons/__init__.py b/odoo/addons/__init__.py
index 8f2c331e5c0..d3a3e7e9ba2 100644
--- a/odoo/addons/__init__.py
+++ b/odoo/addons/__init__.py
@@ -14,3 +14,4 @@ This module also conveniently reexports some symbols from odoo.modules.
 Importing them from here is deprecated.
 
 """
+__import__('pkg_resources').declare_namespace(__name__)
diff --git a/odoo/modules/module.py b/odoo/modules/module.py
index 77fb1433d13..ed4318d9641 100644
--- a/odoo/modules/module.py
+++ b/odoo/modules/module.py
@@ -141,6 +141,12 @@ def initialize_sys_path():
     if base_path not in ad_paths:
         ad_paths.append(base_path)
 
+    # add odoo.addons.__path__
+    for ad in __import__('odoo.addons').addons.__path__:
+        ad = os.path.abspath(ad)
+        if ad not in ad_paths:
+            ad_paths.append(ad)
+
     if not hooked:
         sys.meta_path.append(AddonsHook())
         sys.meta_path.append(OdooHook())
diff --git a/odoo/tools/config.py b/odoo/tools/config.py
index c400f61531b..07af83e7e3e 100644
--- a/odoo/tools/config.py
+++ b/odoo/tools/config.py
@@ -87,7 +87,7 @@ class configmanager(object):
         self.config_file = fname
 
         self._LOGLEVELS = dict([
-            (getattr(loglevels, 'LOG_%s' % x), getattr(logging, x)) 
+            (getattr(loglevels, 'LOG_%s' % x), getattr(logging, x))
             for x in ('CRITICAL', 'ERROR', 'WARNING', 'INFO', 'DEBUG', 'NOTSET')
         ])
 
@@ -427,7 +427,7 @@ class configmanager(object):
             elif isinstance(self.options[arg], basestring) and self.casts[arg].type in optparse.Option.TYPE_CHECKER:
                 self.options[arg] = optparse.Option.TYPE_CHECKER[self.casts[arg].type](self.casts[arg], arg, self.options[arg])
 
-        self.options['root_path'] = os.path.abspath(os.path.expanduser(os.path.expandvars(os.path.dirname(odoo.__file__))))
+        self.options['root_path'] = os.path.abspath(os.path.expanduser(os.path.expandvars(os.path.join(os.path.dirname(__file__), '..'))))
         if not self.options['addons_path'] or self.options['addons_path']=='None':
             default_addons = []
             base_addons = os.path.join(self.options['root_path'], 'addons')
diff --git a/setup/odoo b/setup/odoo
index 3cd3358ee23..b2a0e17ff83 100644
--- a/setup/odoo
+++ b/setup/odoo
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+__import__('pkg_resources').declare_namespace('odoo.addons')
 import odoo
 
 if __name__ == "__main__":