diff --git a/addons/google_gmail/controllers/main.py b/addons/google_gmail/controllers/main.py
index 0f44df76447..f9bf00d9008 100644
--- a/addons/google_gmail/controllers/main.py
+++ b/addons/google_gmail/controllers/main.py
@@ -29,7 +29,7 @@ class GoogleGmailController(http.Controller):
             raise Forbidden()
 
         if error:
-            return _('An error occur during the authentication process: %s.', error)
+            return _('An error occur during the authentication process.')
 
         try:
             state = json.loads(state)
@@ -56,8 +56,8 @@ class GoogleGmailController(http.Controller):
 
         try:
             refresh_token, access_token, expiration = record._fetch_gmail_refresh_token(code)
-        except UserError as e:
-            return _('An error occur during the authentication process: %s.', str(e.name))
+        except UserError:
+            return _('An error occur during the authentication process.')
 
         record.write({
             'google_gmail_access_token': access_token,
diff --git a/addons/google_gmail/i18n/google_gmail.pot b/addons/google_gmail/i18n/google_gmail.pot
index 9f0cc776e53..fad9fa74f6f 100644
--- a/addons/google_gmail/i18n/google_gmail.pot
+++ b/addons/google_gmail/i18n/google_gmail.pot
@@ -63,7 +63,7 @@ msgstr ""
 #: code:addons/google_gmail/controllers/main.py:0
 #: code:addons/google_gmail/controllers/main.py:0
 #, python-format
-msgid "An error occur during the authentication process: %s."
+msgid "An error occur during the authentication process."
 msgstr ""
 
 #. module: google_gmail