diff --git a/bin/osv/expression.py b/bin/osv/expression.py
index 26ac7ec4faa..cb1280c8e3b 100644
--- a/bin/osv/expression.py
+++ b/bin/osv/expression.py
@@ -149,7 +149,9 @@ class expression(object):
                     right = field_obj.search(cr, uid, [(fargs[1], operator, right)], context=context)
                     right1 = table.search(cr, uid, [(fargs[0],'in', right)], context=context)
                     self.__exp[i] = ('id', 'in', right1)
-                continue
+                
+                if not isinstance(field,fields.property):
+                    continue
 
             if field._properties and ((not field.store) or field._fnct_search):
                 # this is a function field