diff --git a/__pycache__/__init__.cpython-312.pyc b/__pycache__/__init__.cpython-312.pyc
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diff --git a/models/__pycache__/__init__.cpython-312.pyc b/models/__pycache__/__init__.cpython-312.pyc
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diff --git a/models/__pycache__/account_payment.cpython-312.pyc b/models/__pycache__/account_payment.cpython-312.pyc
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diff --git a/models/__pycache__/account_payment_register.cpython-312.pyc b/models/__pycache__/account_payment_register.cpython-312.pyc
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diff --git a/models/account_payment.py b/models/account_payment.py
index be57fe4..3327aff 100644
--- a/models/account_payment.py
+++ b/models/account_payment.py
@@ -165,12 +165,15 @@ class AccountPayment(models.Model):
                     ))
 
                 if counterpart_lines:
-                    if counterpart_lines[0].account_id.account_type == 'asset_receivable':
+                    account_type = counterpart_lines[0].account_id.account_type
+                    if account_type == 'asset_receivable':
                         partner_type = 'customer'
-                    else:
+                    elif account_type == 'liability_payable':
                         partner_type = 'supplier'
+                    else:
+                        partner_type = 'customer' if pay.payment_type == 'inbound' else 'supplier'
                 else:
-                    partner_type = 'customer'
+                    partner_type = 'customer' if pay.payment_type == 'inbound' else 'supplier'
 
                 liquidity_amount = sum(liquidity_lines.mapped('amount_currency')) if len(liquidity_lines) > 1 else liquidity_lines.amount_currency