diff --git a/addons/account_bank_statement_import/account_bank_statement_import.py b/addons/account_bank_statement_import/account_bank_statement_import.py
index 35e1b02ab76..2257590765b 100644
--- a/addons/account_bank_statement_import/account_bank_statement_import.py
+++ b/addons/account_bank_statement_import/account_bank_statement_import.py
@@ -26,7 +26,6 @@ class AccountBankStatementImport(models.TransientModel):
     _description = 'Import Bank Statement'
 
     attachment_ids = fields.Many2many('ir.attachment', string='Files', required=True, help='Get you bank statements in electronic format from your bank and select them here.')
-    filename = fields.Char()
 
     def import_file(self):
         """ Process the file chosen in the wizard, create bank statement(s) and go to reconciliation. """
@@ -177,7 +176,7 @@ class AccountBankStatementImport(models.TransientModel):
         for st_vals in stmts_vals:
             st_vals['journal_id'] = journal.id
             if not st_vals.get('reference'):
-                st_vals['reference'] = self.filename
+                st_vals['reference'] = " ".join(self.attachment_ids.mapped('name'))
             if st_vals.get('number'):
                 #build the full name like BNK/2016/00135 by just giving the number '135'
                 st_vals['name'] = journal.sequence_id.with_context(ir_sequence_date=st_vals.get('date')).get_next_char(st_vals['number'])
diff --git a/addons/account_bank_statement_import/account_bank_statement_import_view.xml b/addons/account_bank_statement_import/account_bank_statement_import_view.xml
index 8fc215b7032..486a02f960c 100644
--- a/addons/account_bank_statement_import/account_bank_statement_import_view.xml
+++ b/addons/account_bank_statement_import/account_bank_statement_import_view.xml
@@ -12,7 +12,6 @@
 
                     </ul>
                     <field name="attachment_ids"  widget="many2many_binary" colspan="2" string="Select Files" nolabel="1"/>
-                    <field name="filename" invisible="1"/>
                     <footer>
                         <button name="import_file" string="Upload" type="object" class="btn-primary" />
                         <button string="Cancel" class="btn-secondary" special="cancel"/>