--- a/mozilla-tests/config.py
+++ b/mozilla-tests/config.py
@@ -2842,27 +2842,32 @@ for name, branch in items_at_least(BRANC
 # Bug 1215233 - Enable more e10s tests on Windows 7 only
 #   Turn on mochitest-gl-e10s - bug 1221102
 #   Turn on mochitest-e10s-devtools-chrome - bug 1221499
 #   Turn on mochitest-e10s - bug 1232780
 #   Turn on reftest-e10s - bug 1239025
 #   Turn on crashtest-e10s - bug 1240825
 #   Turn on jsreftest-e10s - bug 1246627
 #   Turn on mochitest-push-e10s - bug 1248729
+#   Turn on web platform tests for e10s - bug 1245559
 for name, branch in items_at_least(BRANCHES, 'gecko_version', trunk_gecko_version):
     for platform in PLATFORMS.keys():
         if platform not in branch['platforms']:
             continue
         for slave_platform in PLATFORMS[platform]['slave_platforms']:
             if slave_platform in branch['platforms'][platform] and slave_platform in ('win7-ix', 'win7-all'):
                 if name not in TWIGS:
                     branch['platforms'][platform][slave_platform]['debug_unittest_suites'] += \
-                        MOCHITEST_WEBGL_E10S + MOCHITEST_DT_8_E10S + REFTEST_E10S + CRASHTEST_E10S + JSREFTEST_E10S + MOCHITEST_PUSH_E10S
+                        MOCHITEST_WEBGL_E10S + MOCHITEST_DT_8_E10S + REFTEST_E10S + CRASHTEST_E10S + \
+                        JSREFTEST_E10S + MOCHITEST_PUSH_E10S + WEB_PLATFORM_TESTS_CHUNKED_MORE_E10S + \
+                        WEB_PLATFORM_REFTESTS_E10S
                     branch['platforms'][platform][slave_platform]['opt_unittest_suites'] += \
-                        MOCHITEST_WEBGL_E10S + MOCHITEST_DT_8_E10S + MOCHITEST_E10S + REFTEST_E10S + CRASHTEST_E10S + JSREFTEST_E10S + MOCHITEST_PUSH_E10S
+                        MOCHITEST_WEBGL_E10S + MOCHITEST_DT_8_E10S + MOCHITEST_E10S + REFTEST_E10S + \
+                        CRASHTEST_E10S + JSREFTEST_E10S + MOCHITEST_PUSH_E10S + WEB_PLATFORM_TESTS_CHUNKED_E10S + \
+                        WEB_PLATFORM_REFTESTS_E10S
 
 # Bug 1200437
 # Use 7 chunks for m-bc on branches > trunk, excluding twigs, 3 chunks elsewhere
 # Bug 1203227
 # Use 9 chunks for m-dt on branches > trunk, excluding twigs, 2 or 4 chunks elsewhere
 for branch in BRANCHES.keys():
     for platform in PLATFORMS.keys():
         if platform not in BRANCHES[branch]['platforms']: