--- a/taskcluster/ci/legacy/tasks/tests/fx_linux64_web_platform_tests_e10s.yml
+++ b/taskcluster/ci/legacy/tasks/tests/fx_linux64_web_platform_tests_e10s.yml
@@ -17,14 +17,17 @@ task:
         MOZHARNESS_SCRIPT: 'mozharness/scripts/web_platform_tests.py'
         MOZHARNESS_CONFIG: >
           mozharness/configs/web_platform_tests/prod_config.py
           mozharness/configs/remove_executables.py
   metadata:
     name: '[TC] Linux64 web-platform-tests-e10s-{{chunk}}'
     description: Web platform e10s tests run {{chunk}}
   extra:
+    suite:
+      name: web-platform-tests
+      flavor: web-platform-tests-e10s
     chunks:
       total: 12
     treeherder:
       groupName: Desktop web-platform-tests
       groupSymbol: tc-W-e10s
       symbol: {{chunk}}

--- 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
@@ -16,13 +16,13 @@ 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
+      flavor: web-platform-tests-reftests-e10s
     treeherder:
       groupName: Desktop web-platform-tests
       groupSymbol: tc-W-e10s
       symbol: Wr-e10s