--- a/misc.py
+++ b/misc.py
@@ -2552,16 +2552,17 @@ def generateTalosBranchObjects(branch, b
                             'builddir': builddir,
                             'slavebuilddir': slavebuilddir,
                         }
                         if branch_config.get('mozharness_talos') and not platform_config.get('is_mobile'):
                             args = _makeGenerateMozharnessTalosBuilderArgs(suite, talosBranch, platform,
                                                                            factory_kwargs, branch_config, platform_config)
                             pgo_factory = generateMozharnessTalosBuilder(**args)
                             properties['script_repo_revision'] = branch_config['mozharness_tag']
+                            properties['repo_path'] = branch_config['repo_path']
                         else:
                             assert False
 
                         pgo_builder = {
                             'name': "%s %s pgo talos %s" % (platform_name, branch, suite),
                             'slavenames': platform_config[slave_platform]['slaves'],
                             'builddir': builddir + '-pgo',
                             'slavebuilddir': slavebuilddir + '-pgo',