diff --git a/openwisp_notifications/tests/test_selenium.py b/openwisp_notifications/tests/test_selenium.py
index 9322286a..0c662270 100644
--- a/openwisp_notifications/tests/test_selenium.py
+++ b/openwisp_notifications/tests/test_selenium.py
@@ -145,6 +145,7 @@ def test_notification_preference_page(self):
             By.CSS_SELECTOR, 'input[id^="org-1-web-"]'
         )
         for checkbox in web_checkboxes:
+            self.assertTrue(checkbox.is_displayed())
             self.assertTrue(checkbox.is_selected())
 
         # Check a single email checkbox