diff --git a/addons/product_email_template/migrations/13.0.1.0/post-migration.py b/addons/product_email_template/migrations/13.0.1.0/post-migration.py
new file mode 100644
index 000000000000..99612b15c35b
--- /dev/null
+++ b/addons/product_email_template/migrations/13.0.1.0/post-migration.py
@@ -0,0 +1,21 @@
+# Copyright 2024 Le Filament <https://le-filament.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from openupgradelib import openupgrade
+
+
+def update_product_template_mail_model(env):
+    """
+    Mail template model has changed from product.template to account.move in v13
+    """
+    account_move_model = env["ir.model"].search([("model", "=", "account.move")])
+    mail_template_ids = env["product.template"].search(
+        [("email_template_id", "!=", False)]
+    ).mapped("email_template_id")
+    mail_template_ids.filtered(lambda t: t.model=='product.template').write(
+        {"model_id": account_move_model.id}
+    )
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    update_product_template_mail_model(env)