diff --git a/openerp/tools/safe_eval.py b/openerp/tools/safe_eval.py
index aa6abccd549..76987e278e6 100644
--- a/openerp/tools/safe_eval.py
+++ b/openerp/tools/safe_eval.py
@@ -66,7 +66,8 @@ _SAFE_OPCODES = _EXPR_OPCODES.union(set(opmap[x] for x in [
     'MAKE_FUNCTION', 'SLICE+0', 'SLICE+1', 'SLICE+2', 'SLICE+3',
     # New in Python 2.7 - http://bugs.python.org/issue4715 :
     'JUMP_IF_FALSE_OR_POP', 'JUMP_IF_TRUE_OR_POP', 'POP_JUMP_IF_FALSE',
-    'POP_JUMP_IF_TRUE', 'SETUP_EXCEPT', 'END_FINALLY', 'LOAD_FAST',
+    'POP_JUMP_IF_TRUE', 'SETUP_EXCEPT', 'END_FINALLY',
+    'LOAD_FAST', 'STORE_FAST', 'DELETE_FAST',
     'LOAD_GLOBAL', # Only allows access to restricted globals
     ] if x in opmap))