diff --git a/securedrop/tests/pageslayout/functional_test.py b/securedrop/tests/pageslayout/functional_test.py
index d3152b53fc..8dfe225506 100644
--- a/securedrop/tests/pageslayout/functional_test.py
+++ b/securedrop/tests/pageslayout/functional_test.py
@@ -44,7 +44,8 @@ def webdriver_fixture(self, request):
         if not os.path.exists(self.log_dir):
             os.makedirs(self.log_dir)
         self.new_profile = webdriver.FirefoxProfile()
-        self.new_profile.set_preference("intl.accept_languages", self.accept_languages)
+        self.new_profile.set_preference("intl.accept_languages",
+                                        self.accept_languages)
         self.override_driver = True
         yield None