diff --git a/bin/addons/base/ir/ir_values.py b/bin/addons/base/ir/ir_values.py
index 2beff6c22fb..bd9a5ba2c69 100644
--- a/bin/addons/base/ir/ir_values.py
+++ b/bin/addons/base/ir/ir_values.py
@@ -211,7 +211,7 @@ class ir_values(osv.osv):
                     #ir_del(cr, uid, x[0])
                     return False
             else:
-                datas = pickle.loads(x[2])
+                datas = pickle.loads(str(x[2]))
             if meta:
                 meta2 = pickle.loads(x[4])
                 return (x[0],x[1],datas,meta2)