diff --git a/pybis/src/python/pybis/role_assignment.py b/pybis/src/python/pybis/role_assignment.py
index 9497deb18f5902939aa1813b4f95a3435842e98a..b460ab6a1830caedb489f2deedfc9c6aef2e81f3 100644
--- a/pybis/src/python/pybis/role_assignment.py
+++ b/pybis/src/python/pybis/role_assignment.py
@@ -8,7 +8,7 @@ class RoleAssignment(OpenBisObject):
 
     def __init__(self, openbis_obj, data=None, **kwargs):
         self.__dict__['openbis'] = openbis_obj
-        self.__dict__['a'] = AttrHolder(openbis_obj, 'RoleAssignment' )
+        self.__dict__['a'] = AttrHolder(openbis_obj, 'roleAssignment' )
 
         if data is not None:
             self.a(data)