diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index d0dc2ec8b42..8b5f15ff04c 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -426,7 +426,7 @@ class account_invoice(osv.osv):
             compose_form_id = ir_model_data.get_object_reference(cr, uid, 'mail', 'email_compose_message_wizard_form')[1]
         except ValueError:
             compose_form_id = False
-        ctx = dict(context)
+        ctx = dict()
         ctx.update({
             'default_model': 'account.invoice',
             'default_res_id': ids[0],