diff --git a/openerp/tools/safe_eval.py b/openerp/tools/safe_eval.py
index 34a1c7abff1..be7b222f67f 100644
--- a/openerp/tools/safe_eval.py
+++ b/openerp/tools/safe_eval.py
@@ -275,6 +275,7 @@ def safe_eval(expr, globals_dict=None, locals_dict=None, mode="eval", nocopy=Fal
                 'map': map,
                 'abs': abs,
                 'min': min,
+                'max': max,
                 'reduce': reduce,
                 'filter': filter,
                 'round': round,