diff --git a/addons/account_payment/wizard/account_payment_populate_statement.py b/addons/account_payment/wizard/account_payment_populate_statement.py
index 6f2d9d02dbc..b74ae87a685 100644
--- a/addons/account_payment/wizard/account_payment_populate_statement.py
+++ b/addons/account_payment/wizard/account_payment_populate_statement.py
@@ -95,8 +95,11 @@ class account_payment_populate_statement(osv.osv_memory):
                 }
                 voucher_id = voucher_obj.create(cr, uid, voucher_res, context=context)
                 voucher_line_dict =  False
-                if result['value']['line_ids']:
-                    for line_dict in result['value']['line_ids']:
+
+                # NOTE: we only check for lines on 'debit' as Payment Order only allow user
+                # to choose account.move.line with credit > 0, i.e payment will be on 'debit'
+                if result['value']['line_dr_ids']:
+                    for line_dict in result['value']['line_dr_ids']:
                         move_line = move_line_obj.browse(cr, uid, line_dict['move_line_id'], context)
                         if line.move_line_id.move_id.id == move_line.move_id.id:
                             voucher_line_dict = line_dict
@@ -120,4 +123,4 @@ class account_payment_populate_statement(osv.osv_memory):
 
 account_payment_populate_statement()
 
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
\ No newline at end of file
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: