--- a/mozilla/project_branches.py
+++ b/mozilla/project_branches.py
@@ -145,16 +145,17 @@ PROJECT_BRANCHES = {
         'enable_valgrind': False,
         'pgo_strategy': 'per-checkin',
         'enable_release_promotion': True,
         'build_tools_repo_path': 'users/raliiev_mozilla.com/tools',
         'partners_repo_path': 'build/partner-repacks',
         'partner_repack_platforms': ('linux', 'linux64', 'win32', 'win64', 'macosx64'),
         "release_platforms": ("linux", "linux64", "win32", "win64", "macosx64"),
         "l10n_release_platforms": ("linux", "linux64", "win32", "win64", "macosx64"),
+        "single_locale_branch_config": "dev-mozilla-beta.py",
         "release_channel_mappings": [["^.*$", ["beta-dev"]]],
         # temp balrog
         'balrog_api_root': 'http://ec2-54-241-39-23.us-west-1.compute.amazonaws.com:443/api',
         'funsize_balrog_api_root': 'http://ec2-54-241-39-23.us-west-1.compute.amazonaws.com:443/api',
         'tuxedoServerUrl': 'https://admin-bouncer.stage.mozaws.net/api',
         'bouncer_submitter_config': {
             "firefox": "releases/bouncer_firefox_beta.py",
             # TODO - fennec