diff --git a/openerp/osv/fields.py b/openerp/osv/fields.py
index 3e5c1198239..ea84cae978e 100644
--- a/openerp/osv/fields.py
+++ b/openerp/osv/fields.py
@@ -163,7 +163,7 @@ class boolean(_column):
             _logger.debug(
                 "required=True is deprecated: making a boolean field"
                 " `required` has no effect, as NULL values are "
-                "automatically turned into False.")
+                "automatically turned into False. args: %r",args)
 
 class integer(_column):
     _type = 'integer'