diff --git a/pos_customer_wallet/models/__init__.py b/pos_customer_wallet/models/__init__.py
index bd8374bdb..4a3b8c3b4 100644
--- a/pos_customer_wallet/models/__init__.py
+++ b/pos_customer_wallet/models/__init__.py
@@ -1,3 +1,4 @@
 from . import pos_config
+from . import pos_payment_method
 from . import pos_session
 from . import res_partner
diff --git a/pos_customer_wallet/models/pos_payment_method.py b/pos_customer_wallet/models/pos_payment_method.py
new file mode 100644
index 000000000..6031b291d
--- /dev/null
+++ b/pos_customer_wallet/models/pos_payment_method.py
@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2023 Coop IT Easy SC
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+from odoo import fields, models
+
+
+class PosPaymentMethod(models.Model):
+    _inherit = "pos.payment.method"
+
+    is_customer_wallet_method = fields.Boolean(
+        related="journal_id.is_customer_wallet_journal",
+        store=True,
+    )
diff --git a/pos_customer_wallet/models/pos_session.py b/pos_customer_wallet/models/pos_session.py
index 27e3efaa4..b84c76155 100644
--- a/pos_customer_wallet/models/pos_session.py
+++ b/pos_customer_wallet/models/pos_session.py
@@ -2,29 +2,17 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-from odoo import api, models
+from odoo import models
 
 
 class PosSession(models.Model):
     _inherit = "pos.session"
 
-    @api.model
-    def _pos_ui_models_to_load(self):
-        result = super()._pos_ui_models_to_load()
-        result.append("account.journal")
+    def _loader_params_pos_payment_method(self):
+        result = super()._loader_params_pos_payment_method()
+        result["search_params"]["fields"].append("is_customer_wallet_method")
         return result
 
-    def _loader_params_account_journal(self):
-        # TODO: This doesn't call super(), which means that it could be
-        # incompatible with other modules that also implement this method. Find
-        # a solution to this problem.
-        return {
-            "search_params": {
-                "domain": [],
-                "fields": ["is_customer_wallet_journal"],
-            }
-        }
-
     def _loader_params_product_product(self):
         result = super()._loader_params_product_product()
         result["search_params"]["fields"].append("is_customer_wallet_product")