diff --git a/account_bank_statement_import/models/account_bank_statement_import.py b/account_bank_statement_import/models/account_bank_statement_import.py
index 3fbfbfd..280b3e6 100644
--- a/account_bank_statement_import/models/account_bank_statement_import.py
+++ b/account_bank_statement_import/models/account_bank_statement_import.py
@@ -345,16 +345,22 @@ class AccountBankStatementImport(models.TransientModel):
                 bank_account_id = False
                 partner_account_number = line_vals.get('account_number')
                 if partner_account_number:
-                    bank_model = self.env['res.partner.bank']
-                    banks = bank_model.search(
-                        [('acc_number', '=', partner_account_number)], limit=1)
-                    if banks:
-                        bank_account_id = banks[0].id
-                        partner_id = banks[0].partner_id.id
-                    else:
-                        bank_obj = self._create_bank_account(
-                            partner_account_number)
-                        bank_account_id = bank_obj and bank_obj.id or False
+                    partner_model = self.env['res.partner']
+                    partner_with_bank = partner_model.search([
+                        ('bank_ids.acc_number', '=', partner_account_number)
+                    ], limit=1)
+                    if partner_with_bank:
+                        bank_model = self.env['res.partner.bank']
+                        banks = bank_model.search([
+                            ('acc_number', '=', partner_account_number)
+                        ], limit=1)
+                        if banks:
+                            bank_account_id = banks[0].id
+                            partner_id = banks[0].partner_id.id
+                        else:
+                            bank_obj = self._create_bank_account(
+                                partner_account_number)
+                            bank_account_id = bank_obj and bank_obj.id or False
                 line_vals['partner_id'] = partner_id
                 line_vals['bank_account_id'] = bank_account_id
         if 'date' in stmt_vals and 'period_id' not in stmt_vals: