--- a/talos-pool/master.cfg
+++ b/talos-pool/master.cfg
@@ -246,16 +246,17 @@ for branch, branch_config in BRANCHES.it
                 s = scheduler_class(name='%s %s dirty scheduler' % (branch, slave_platform),
                               branch='%s-%s' % (branch, platform),
                               treeStableTimer=0,
                               builderNames=[builder['name']],
                               numberOfBuildsToTrigger=dirty_tests,
                               )
                 c['schedulers'].append(s)
                 c['builders'].append(builder)
+                branch_builders.append(builder['name'])
 
             if tp4_tests:
                 tp4_factory = TalosFactory(
                     OS=slave_platform,
                     toolsDir="tools",
                     envName=platform_config['env_name'],
                     workdirBase="../talos-data",
                     buildBranch=buildBranch,