diff --git a/openerp/addons/base/ir/ir_qweb.py b/openerp/addons/base/ir/ir_qweb.py
index 8fba1c1713a..88757b89926 100644
--- a/openerp/addons/base/ir/ir_qweb.py
+++ b/openerp/addons/base/ir/ir_qweb.py
@@ -436,7 +436,9 @@ class QWeb(orm.AbstractModel):
                 index += 1
             return "".join(ru)
         else:
-            raise NameError("QWeb: foreach enumerator %r is not defined while rendering template %r" % (expr, v.get('__template__')))
+            e = NameError("QWeb: foreach enumerator %r is not defined while rendering template %r" % (expr, v.get('__template__')))
+            setattr(e, 'qweb_template', v.get('__template__'))
+            raise e
 
     def render_tag_if(self, e, t_att, g_att, v):
         if self.eval_bool(t_att["if"], v):