diff --git a/tests/wpt/meta/MANIFEST.json b/tests/wpt/meta/MANIFEST.json
index 6a424312a93..c63444dad34 100644
--- a/tests/wpt/meta/MANIFEST.json
+++ b/tests/wpt/meta/MANIFEST.json
@@ -515246,7 +515246,7 @@
         ]
        },
        "servo.py": [
-        "00d7eac0dfd5b235df36724be983d574a9dd9737",
+        "266aec8fced6eb4cc5ca12a15cb8d938220e65ed",
         []
        ],
        "servodriver.py": [
diff --git a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py
index 00d7eac0dfd..266aec8fced 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py
@@ -74,7 +74,7 @@ def update_properties():
 class ServoBrowser(NullBrowser):
     def __init__(self, logger, binary, debug_info=None, binary_args=None,
                  user_stylesheets=None, ca_certificate_path=None, **kwargs):
-        NullBrowser.__init__(self, logger)
+        NullBrowser.__init__(self, logger, **kwargs)
         self.binary = binary
         self.debug_info = debug_info
         self.binary_args = binary_args or []