diff --git a/addons/account_analytic_plans/account_analytic_plans.py b/addons/account_analytic_plans/account_analytic_plans.py
index 393c681dc01..790e2c25cc0 100644
--- a/addons/account_analytic_plans/account_analytic_plans.py
+++ b/addons/account_analytic_plans/account_analytic_plans.py
@@ -163,7 +163,7 @@ class account_analytic_plan_instance(osv.osv):
                 <newline/>"""%(i,tools.to_xml(line.name),tools.to_xml(line.name),line.root_analytic_id and line.root_analytic_id.id or 0)
                     i+=1
                 res['arch'] += "</form>"
-                doc = dom.minidom.parseString(res['arch'])
+                doc = dom.minidom.parseString(res['arch'].encode('utf8'))
                 xarch, xfields = self._view_look_dom_arch(cr, uid, doc, view_id, context=context)
                 res['arch'] = xarch
                 res['fields'] = xfields