diff --git a/securedrop/tests/functional/pageslayout/test_journalist_account.py b/securedrop/tests/functional/pageslayout/test_journalist_account.py
index 4e18a3449e..c1485d3dc9 100644
--- a/securedrop/tests/functional/pageslayout/test_journalist_account.py
+++ b/securedrop/tests/functional/pageslayout/test_journalist_account.py
@@ -86,7 +86,7 @@ def explanatory_tooltip_is_correct() -> None:
             explanatory_tooltip_opacity = explanatory_tooltip.value_of_css_property("opacity")
             assert explanatory_tooltip_opacity == "1"
 
-            if assert_tooltip_text_is:
+            if assert_tooltip_text_is and not journ_app_nav.accept_languages:
                 assert explanatory_tooltip.text == assert_tooltip_text_is
 
         journ_app_nav.nav_helper.wait_for(explanatory_tooltip_is_correct)
diff --git a/securedrop/tests/functional/pageslayout/test_journalist_admin.py b/securedrop/tests/functional/pageslayout/test_journalist_admin.py
index 9528654a3a..bccabcd1f0 100644
--- a/securedrop/tests/functional/pageslayout/test_journalist_admin.py
+++ b/securedrop/tests/functional/pageslayout/test_journalist_admin.py
@@ -288,7 +288,8 @@ def test_ossec_alert_button(self, sd_servers, firefox_web_driver):
         # Then it succeeds
         def test_alert_sent():
             flash_msg = journ_app_nav.driver.find_element(By.CSS_SELECTOR, ".flash")
-            assert "Test alert sent. Please check your email." in flash_msg.text
+            if not journ_app_nav.accept_languages:
+                assert "Test alert sent. Please check your email." in flash_msg.text
 
         journ_app_nav.nav_helper.wait_for(test_alert_sent)
 
diff --git a/securedrop/tests/functional/web_drivers.py b/securedrop/tests/functional/web_drivers.py
index 39e261c355..50efa84022 100644
--- a/securedrop/tests/functional/web_drivers.py
+++ b/securedrop/tests/functional/web_drivers.py
@@ -111,7 +111,7 @@ def _create_firefox_driver(
 
     # Add this attribute to the returned driver object so that tests using this
     # fixture can know what locale it's parameterized with.
-    firefox_driver.locale = accept_languages or "en_US"  # type: ignore[attr-defined]
+    firefox_driver.locale = accept_languages  # type: ignore[attr-defined]
 
     return firefox_driver