--- a/taskcluster/ci/legacy/tasks/tests/fx_linux64_web_platform_tests_reftests_e10s.yml
+++ b/taskcluster/ci/legacy/tasks/tests/fx_linux64_web_platform_tests_reftests_e10s.yml
@@ -1,12 +1,13 @@
 ---
 $inherits:
   from: 'tasks/tests/fx_docker_desktop_generic.yml'
 task:
+  workerType: desktop-test-xlarge
   payload:
     maxRunTime: 5400
     command:
       - --no-read-buildbot-config
       - {"task-reference": "--installer-url=https://queue.taskcluster.net/v1/task/<{{build_slugid}}>/artifacts/{{build_location}}"}
       - {"task-reference": "--test-packages-url=https://queue.taskcluster.net/v1/task/<{{build_slugid}}>/artifacts/{{test_packages_location}}"}
       - --test-type=reftest
       - --e10s
@@ -16,13 +17,13 @@ task:
           mozharness/configs/web_platform_tests/prod_config.py
           mozharness/configs/remove_executables.py
   metadata:
     name: '[TC] Linux64 web-platform-tests-reftests-e10s'
     description: Web platform reftest e10s test run
   extra:
     suite:
       name: web-platform-tests-reftests
-      flavor: web-platform-tests-reftests-e10s
+      flavor: web-platform-tests-reftests
     treeherder:
       groupName: Desktop web-platform-tests
       groupSymbol: tc-W-e10s
-      symbol: Wr-e10s
+      symbol: Wr