diff --git a/product/ERP5/interfaces/login_account_provider.py b/product/ERP5/interfaces/login_account_provider.py
index 61b9ae147ea8773b6c438c4fdf2b5374a1f30449..1e6bccf312ac42f294f8cbae30d7d08427922a3e 100644
--- a/product/ERP5/interfaces/login_account_provider.py
+++ b/product/ERP5/interfaces/login_account_provider.py
@@ -67,7 +67,7 @@ class ILoginAccountProvider(Interface):
     for reason for not being a valid one (i.e. too short, not complex, etc ...)
     """
 
-  def isPasswordAlreadyUsed(self, password):
+  def isPasswordAlreadyUsed(password):
     """
       Return if password has already been used.
     """