--- a/mozilla-tests/config.py
+++ b/mozilla-tests/config.py
@@ -1746,16 +1746,20 @@ BRANCHES['try']['xperf_tests'] = (1, Fal
 BRANCHES['try']['tp5o_tests'] = (1, False, TALOS_TP_NEW_OPTS, ALL_TALOS_PLATFORMS)
 BRANCHES['try']['other_tests'] = (0, False, {}, ALL_TALOS_PLATFORMS)
 BRANCHES['try']['other_nol64_tests'] = (1, False, {}, NO_LINUX64)
 BRANCHES['try']['other_l64_tests'] = (1, False, {}, LINUX64_ONLY)
 BRANCHES['try']['g1_tests'] = (1, False, TALOS_TP_NEW_OPTS, ALL_TALOS_PLATFORMS)
 BRANCHES['try']['pgo_strategy'] = 'try'
 BRANCHES['try']['enable_try'] = True
 
+######## ash
+BRANCHES['ash']['script_repo_manifest'] = \
+        "https://hg.mozilla.org/%(repo_path)s/raw-file/%(revision)s/testing/mozharness/mozharness.json"
+
 ######## cedar
 BRANCHES['cedar']['platforms']['linux']['ubuntu32_vm']['opt_unittest_suites'] = \
     [x for x in BRANCHES['cedar']['platforms']['linux']['ubuntu32_vm']['opt_unittest_suites'] if x[0] != 'reftest'] + REFTEST_TWO_CHUNKS[:]
 BRANCHES['cedar']['platforms']['linux']['ubuntu32_vm']['debug_unittest_suites'] = \
     [x for x in BRANCHES['cedar']['platforms']['linux']['ubuntu32_vm']['debug_unittest_suites'] if x[0] != 'reftest'] + REFTEST_TWO_CHUNKS[:]
 BRANCHES['cedar']['platforms']['linux64-asan']['ubuntu64-asan_vm']['opt_unittest_suites'] += MARIONETTE[:]
 BRANCHES['cedar']['platforms']['macosx64']['yosemite']['opt_unittest_suites'] = UNITTEST_SUITES['opt_unittest_suites'][:]
 BRANCHES['cedar']['platforms']['macosx64']['yosemite']['debug_unittest_suites'] = UNITTEST_SUITES['debug_unittest_suites'][:]