diff --git a/stack/erp5.cfg b/stack/erp5.cfg
index f797c292b158f407a72429d6eaf19c7141329b13..7c454d8a9cb83eea6b9d39d50693c8c11b8528e4 100644
--- a/stack/erp5.cfg
+++ b/stack/erp5.cfg
@@ -244,7 +244,7 @@ initialization =
   os.environ['SOFTWARE_HOME'] = os.path.abspath(os.path.dirname(os.path.dirname(Zope2.__file__)))
   os.environ['ZOPE_SCRIPTS'] = ''
   parts_directory = '''${buildout:parts-directory}'''
-  repository_id_list = '''${erp5_repository_list:repository_id_list}'''.split()
+  repository_id_list = '''${erp5_repository_list:repository_id_list}'''.split().reverse()
   temp_bt5_path_list = ['/'.join([parts_directory, x, 'bt5']) for x in repository_id_list]
   bt5_path_list = []
   [bt5_path_list.extend([bt5_path, '%s/*' % bt5_path]) for bt5_path in temp_bt5_path_list]
@@ -274,7 +274,7 @@ initialization =
   import Zope2
   os.environ['SOFTWARE_HOME'] = os.path.abspath(os.path.dirname(os.path.dirname(Zope2.__file__)))
   os.environ['ZOPE_SCRIPTS'] = ''
-  sys.path[0:0] = ['/'.join(['''${buildout:parts-directory}''', x]) for x in '''${erp5_repository_list:repository_id_list}'''.split()]
+  sys.path[0:0] = ['/'.join(['''${buildout:parts-directory}''', x]) for x in '''${erp5_repository_list:repository_id_list}'''.split()].reverse()
 
 [instance-recipe-egg]
 recipe = zc.recipe.egg