diff --git a/contract_variable_quantity/README.rst b/contract_variable_quantity/README.rst
index 8654b763f1..3e8c0d6122 100644
--- a/contract_variable_quantity/README.rst
+++ b/contract_variable_quantity/README.rst
@@ -17,13 +17,13 @@ Variable quantity in contract recurrent invoicing
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fcontract-lightgray.png?logo=github
-    :target: https://github.com/OCA/contract/tree/17.0/contract_variable_quantity
+    :target: https://github.com/OCA/contract/tree/18.0/contract_variable_quantity
     :alt: OCA/contract
 .. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
-    :target: https://translation.odoo-community.org/projects/contract-17-0/contract-17-0-contract_variable_quantity
+    :target: https://translation.odoo-community.org/projects/contract-18-0/contract-18-0-contract_variable_quantity
     :alt: Translate me on Weblate
 .. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
-    :target: https://runboat.odoo-community.org/builds?repo=OCA/contract&target_branch=17.0
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/contract&target_branch=18.0
     :alt: Try me on Runboat
 
 |badge1| |badge2| |badge3| |badge4| |badge5|
@@ -57,7 +57,7 @@ Configuration
 
 |image1|
 
-.. |image1| image:: https://raw.githubusercontent.com/OCA/contract/17.0/contract_variable_quantity/images/formula_form.png
+.. |image1| image:: https://raw.githubusercontent.com/OCA/contract/18.0/contract_variable_quantity/images/formula_form.png
 
 Usage
 =====
@@ -77,7 +77,7 @@ Bug Tracker
 Bugs are tracked on `GitHub Issues <https://github.com/OCA/contract/issues>`_.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us to smash it by providing a detailed and welcomed
-`feedback <https://github.com/OCA/contract/issues/new?body=module:%20contract_variable_quantity%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+`feedback <https://github.com/OCA/contract/issues/new?body=module:%20contract_variable_quantity%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
 
 Do not contact contributors directly about support or help with technical issues.
 
@@ -117,6 +117,6 @@ OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.
 
-This module is part of the `OCA/contract <https://github.com/OCA/contract/tree/17.0/contract_variable_quantity>`_ project on GitHub.
+This module is part of the `OCA/contract <https://github.com/OCA/contract/tree/18.0/contract_variable_quantity>`_ project on GitHub.
 
 You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/contract_variable_quantity/__manifest__.py b/contract_variable_quantity/__manifest__.py
index 8cd0705d1e..0a65c59c4f 100644
--- a/contract_variable_quantity/__manifest__.py
+++ b/contract_variable_quantity/__manifest__.py
@@ -6,7 +6,7 @@
 
 {
     "name": "Variable quantity in contract recurrent invoicing",
-    "version": "17.0.1.0.0",
+    "version": "18.0.1.0.0",
     "category": "Contract Management",
     "license": "AGPL-3",
     "author": "Tecnativa, Odoo Community Association (OCA)",
diff --git a/contract_variable_quantity/static/description/index.html b/contract_variable_quantity/static/description/index.html
index 1894b8408b..70613e2fe8 100644
--- a/contract_variable_quantity/static/description/index.html
+++ b/contract_variable_quantity/static/description/index.html
@@ -369,7 +369,7 @@ <h1 class="title">Variable quantity in contract recurrent invoicing</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:bf5c154ac65588fc280046147b7f3d978557cfe2cd62bd08acf47761e173da74
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/contract/tree/17.0/contract_variable_quantity"><img alt="OCA/contract" src="https://img.shields.io/badge/github-OCA%2Fcontract-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/contract-17-0/contract-17-0-contract_variable_quantity"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/contract&amp;target_branch=17.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/contract/tree/18.0/contract_variable_quantity"><img alt="OCA/contract" src="https://img.shields.io/badge/github-OCA%2Fcontract-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/contract-18-0/contract-18-0-contract_variable_quantity"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/contract&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>With this module, you will be able to define in recurring contracts some
 lines with variable quantity according to a provided formula.</p>
 <p><strong>Table of contents</strong></p>
@@ -406,7 +406,7 @@ <h1><a class="toc-backref" href="#toc-entry-1">Configuration</a></h1>
 </ul>
 </li>
 </ol>
-<p><img alt="image1" src="https://raw.githubusercontent.com/OCA/contract/17.0/contract_variable_quantity/images/formula_form.png" /></p>
+<p><img alt="image1" src="https://raw.githubusercontent.com/OCA/contract/18.0/contract_variable_quantity/images/formula_form.png" /></p>
 </div>
 <div class="section" id="usage">
 <h1><a class="toc-backref" href="#toc-entry-2">Usage</a></h1>
@@ -425,7 +425,7 @@ <h1><a class="toc-backref" href="#toc-entry-3">Bug Tracker</a></h1>
 <p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/contract/issues">GitHub Issues</a>.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us to smash it by providing a detailed and welcomed
-<a class="reference external" href="https://github.com/OCA/contract/issues/new?body=module:%20contract_variable_quantity%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<a class="reference external" href="https://github.com/OCA/contract/issues/new?body=module:%20contract_variable_quantity%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
 <p>Do not contact contributors directly about support or help with technical issues.</p>
 </div>
 <div class="section" id="credits">
@@ -465,7 +465,7 @@ <h2><a class="toc-backref" href="#toc-entry-7">Maintainers</a></h2>
 <p>OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.</p>
-<p>This module is part of the <a class="reference external" href="https://github.com/OCA/contract/tree/17.0/contract_variable_quantity">OCA/contract</a> project on GitHub.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/contract/tree/18.0/contract_variable_quantity">OCA/contract</a> project on GitHub.</p>
 <p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
 </div>
 </div>
diff --git a/contract_variable_quantity/views/contract.xml b/contract_variable_quantity/views/contract.xml
index 4650cb8fef..70e0dd9b2f 100644
--- a/contract_variable_quantity/views/contract.xml
+++ b/contract_variable_quantity/views/contract.xml
@@ -8,31 +8,31 @@
                 <field name="skip_zero_qty" />
             </xpath>
             <xpath
-                expr="//field[@name='contract_line_ids']/tree/field[@name='quantity']"
+                expr="//field[@name='contract_line_ids']/list/field[@name='quantity']"
                 position="before"
             >
                 <field name="qty_type" />
                 <field name="qty_formula_id" invisible="qty_type != 'variable'" />
             </xpath>
             <xpath
-                expr="//field[@name='contract_line_ids']/tree/field[@name='quantity']"
+                expr="//field[@name='contract_line_ids']/list/field[@name='quantity']"
                 position="attributes"
             >
                 <attribute name="invisible">"qty_type != 'fixed'"</attribute>
             </xpath>
             <xpath
-                expr="//field[@name='contract_line_fixed_ids']/tree/field[@name='quantity']"
+                expr="//field[@name='contract_line_fixed_ids']/list/field[@name='quantity']"
                 position="before"
             >
                 <field name="qty_type" />
                 <field name="qty_formula_id" invisible="qty_type != 'variable'" />
             </xpath>
             <xpath
-                expr="//field[@name='contract_line_fixed_ids']/tree/field[@name='quantity']"
+                expr="//field[@name='contract_line_fixed_ids']/list/field[@name='quantity']"
                 position="attributes"
             >
                 <attribute name="invisible">qty_type != 'fixed'</attribute>
-                </xpath>
+            </xpath>
         </field>
     </record>
 </odoo>
diff --git a/contract_variable_quantity/views/contract_line_formula.xml b/contract_variable_quantity/views/contract_line_formula.xml
index 6509094dec..94d069f131 100644
--- a/contract_variable_quantity/views/contract_line_formula.xml
+++ b/contract_variable_quantity/views/contract_line_formula.xml
@@ -3,9 +3,9 @@
     <record id="view_contract_line_qty_formula_tree" model="ir.ui.view">
         <field name="model">contract.line.qty.formula</field>
         <field name="arch" type="xml">
-            <tree>
+            <list>
                 <field name="name" />
-            </tree>
+            </list>
         </field>
     </record>
     <record id="view_contract_line_qty_formula_form" model="ir.ui.view">
@@ -70,7 +70,7 @@
     <record id="action_contract_quantity_formula" model="ir.actions.act_window">
         <field name="name">Formulas (quantity)</field>
         <field name="res_model">contract.line.qty.formula</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
         <field name="help" type="html">
             <p class="oe_view_nocontent_create">
                 Click to create a new formula for variable quantities.