diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index d435fe1652e..fe3c8c39771 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -345756,7 +345756,7 @@
         []
        ],
        "executorservodriver.py": [
-        "425f40223f77535d4ea34d75790e8facce30f77a",
+        "2e47a22a9c92b4caada29db358c08104793d2770",
         []
        ],
        "executorwebdriver.py": [
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservodriver.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservodriver.py
index 425f40223f7..2e47a22a9c9 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservodriver.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservodriver.py
@@ -277,7 +277,7 @@ class ServoWebDriverRefTestExecutor(RefTestExecutor):
 
         return ServoWebDriverRun(self.logger,
                                  self._screenshot,
-                                 self.protocol.session,
+                                 self.protocol,
                                  self.test_url(test),
                                  timeout,
                                  self.extra_timeout).run()