diff --git a/tests/wpt/meta/MANIFEST.json b/tests/wpt/meta/MANIFEST.json
index 3bf5553a43a..706fbc060d1 100644
--- a/tests/wpt/meta/MANIFEST.json
+++ b/tests/wpt/meta/MANIFEST.json
@@ -522937,7 +522937,7 @@
         ]
        },
        "servo.py": [
-        "07441780ccc7682c6b7616271aeb9a40310a433a",
+        "2928ffb7f1d483cff60dd17ffd92a53c9b1c3148",
         []
        ],
        "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 07441780ccc..2928ffb7f1d 100644
--- a/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py
+++ b/tests/wpt/tests/tools/wptrunner/wptrunner/browsers/servo.py
@@ -116,7 +116,10 @@ class ServoWdspecBrowser(WebDriverBrowser):
                    # See https://github.com/servo/servo/issues/30080.
                    # For some reason rustls does not like the certificate generated by the WPT tooling.
                    "--ignore-certificate-errors",
-                   "--headless"] + self.webdriver_args
+                   "--headless",
+                   "--window-size",
+                   "800x600",
+                   "about:blank"] + self.webdriver_args
         if self.binary_args:
             command += self.binary_args
         return command