diff --git a/companyweb_base/README.rst b/companyweb_base/README.rst
index 14ee9235..901b7696 100644
--- a/companyweb_base/README.rst
+++ b/companyweb_base/README.rst
@@ -143,6 +143,7 @@ Contributors
 
 -  Xavier Bouquiaux <xavier.bouquiaux@acsone.eu>
 -  Stéphane Bidoul <stephane.bidoul@acsone.eu>
+-  Bert Van Groenendael <bert.vangroenendael@dynapps.eu>
 
 Other credits
 -------------
diff --git a/companyweb_base/models/res_partner.py b/companyweb_base/models/res_partner.py
index 73d87d7c..1c64562b 100644
--- a/companyweb_base/models/res_partner.py
+++ b/companyweb_base/models/res_partner.py
@@ -7,7 +7,7 @@
 
 import zeep
 
-from odoo import _, api, fields, models, tools
+from odoo import api, fields, models, tools
 from odoo.exceptions import UserError
 
 _logger = logging.getLogger(__name__)
@@ -492,7 +492,7 @@ def cweb_button_enhance(self):
         based on status make decision
         When status is ok -> populate fields"""
         if not self.env.user.has_group("companyweb_base.cweb_download"):
-            raise UserError(_("Companyweb : You don't have access"))
+            raise UserError(self.env._("Companyweb : You don't have access"))
         user_login = self.env.user.cweb_login
         user_password = self.env.user.cweb_password
         user_lang = self.env.context.get("lang")[:2].upper()
@@ -520,7 +520,7 @@ def cweb_button_enhance(self):
             return self._cweb_call_wizard_credentials("Enter Companyweb credentials")
         elif r["StatusCode"] != 0:
             raise UserError(
-                _("Companyweb status : {status} : {message} ").format(
+                self.env._("Companyweb status : {status} : {message} ").format(
                     status=r["StatusCode"], message=r["StatusMessage"]
                 )
             )
@@ -536,7 +536,7 @@ def cweb_button_enhance(self):
 
     def cweb_button_copy_address(self):
         if not self.env.user.has_group("companyweb_base.cweb_view"):
-            raise UserError(_("Companyweb : You don't have access"))
+            raise UserError(self.env._("Companyweb : You don't have access"))
         self.street = self.cweb_street
         self.city = self.cweb_city
         self.zip = self.cweb_zip
diff --git a/companyweb_base/readme/CONTRIBUTORS.md b/companyweb_base/readme/CONTRIBUTORS.md
index 2a98d847..70da8120 100644
--- a/companyweb_base/readme/CONTRIBUTORS.md
+++ b/companyweb_base/readme/CONTRIBUTORS.md
@@ -1,2 +1,3 @@
   - Xavier Bouquiaux \<<xavier.bouquiaux@acsone.eu>\>
   - Stéphane Bidoul \<<stephane.bidoul@acsone.eu>\>
+  - Bert Van Groenendael \<<bert.vangroenendael@dynapps.eu>\>
diff --git a/companyweb_base/static/description/index.html b/companyweb_base/static/description/index.html
index 8d7c0e40..b0b906c6 100644
--- a/companyweb_base/static/description/index.html
+++ b/companyweb_base/static/description/index.html
@@ -473,6 +473,7 @@ <h2><a class="toc-backref" href="#toc-entry-8">Contributors</a></h2>
 <ul class="simple">
 <li>Xavier Bouquiaux &lt;<a class="reference external" href="mailto:xavier.bouquiaux&#64;acsone.eu">xavier.bouquiaux&#64;acsone.eu</a>&gt;</li>
 <li>Stéphane Bidoul &lt;<a class="reference external" href="mailto:stephane.bidoul&#64;acsone.eu">stephane.bidoul&#64;acsone.eu</a>&gt;</li>
+<li>Bert Van Groenendael &lt;<a class="reference external" href="mailto:bert.vangroenendael&#64;dynapps.eu">bert.vangroenendael&#64;dynapps.eu</a>&gt;</li>
 </ul>
 </div>
 <div class="section" id="other-credits">
diff --git a/companyweb_base/tests/test_api_cweb.py b/companyweb_base/tests/test_api_cweb.py
index c96d2835..257eaf59 100644
--- a/companyweb_base/tests/test_api_cweb.py
+++ b/companyweb_base/tests/test_api_cweb.py
@@ -33,6 +33,9 @@ def _request_handler(cls, s: Session, r: PreparedRequest, /, **kw):
 
     def setUp(self, *args, **kwargs):
         super().setUp(*args, **kwargs)
+
+        self._install_language("fr")
+
         demo_user = self.env.ref("base.user_demo")
         demo_user.cweb_login = os.environ.get("COMPANYWEB_TEST_LOGIN", "cwebtestlogin")
         demo_user.cweb_password = os.environ.get(
@@ -57,6 +60,23 @@ def _get_vcr_kwargs(self, **kwargs):
             "decode_compressed_response": True,
         }
 
+    def _install_language(self, lang_code="en_US"):
+        """Install the language if not already installed."""
+        # Check if the language already exists
+        lang = self.env["res.lang"].search([("code", "=", lang_code)], limit=1)
+        if not lang:
+            # If the language doesn't exist, create and load it
+            lang_id = self.env.ref(f"base.lang_{lang_code}").id
+            lang_wizard = self.env["base.language.install"].create(
+                {
+                    "lang_ids": [Command.link(lang_id)],
+                }
+            )
+            lang_wizard.lang_install()
+
+        # Set the language as active
+        self.env["res.lang"].search([("code", "=", lang_code)]).write({"active": True})
+
     @freeze_time("2021-03-23")  # because the login hash includes the date
     def test_cweb_button(self):
         # companyweb response depends on request language
diff --git a/test-requirements.txt b/test-requirements.txt
new file mode 100644
index 00000000..7b249542
--- /dev/null
+++ b/test-requirements.txt
@@ -0,0 +1 @@
+vcr_unittest