diff --git a/account_statement_ext/__openerp__.py b/account_statement_ext/__openerp__.py
index c6000063..32c518b9 100644
--- a/account_statement_ext/__openerp__.py
+++ b/account_statement_ext/__openerp__.py
@@ -20,7 +20,7 @@
 ##############################################################################
 
 {'name': "Bank statement extension and profiles",
- 'version': '1.3.0',
+ 'version': '1.3.1',
  'author': 'Camptocamp',
  'maintainer': 'Camptocamp',
  'category': 'Finance',
diff --git a/account_statement_ext/statement.py b/account_statement_ext/statement.py
index 3a5a95cf..8f6cbf75 100644
--- a/account_statement_ext/statement.py
+++ b/account_statement_ext/statement.py
@@ -658,6 +658,11 @@ class AccountBankSatementLine(Model):
         # This can be quite a performance killer as we read ir.properity fields
         if partner_id:
             part = obj_partner.browse(cr, uid, partner_id, context=context)
+            part = part.commercial_partner_id
+            # When the method is called from bank statement completion,
+            # ensure that the line's partner is a commercial
+            # (accounting) entity
+            res['partner_id'] = part.id
             pay_account = part.property_account_payable.id
             receiv_account = part.property_account_receivable.id
         # If no value, look on the default company property