diff --git a/lms/djangoapps/badges/backends/badgr.py b/lms/djangoapps/badges/backends/badgr.py
index 82c4e39fd460..aac5ae05a761 100644
--- a/lms/djangoapps/badges/backends/badgr.py
+++ b/lms/djangoapps/badges/backends/badgr.py
@@ -242,7 +242,8 @@ def _get_and_cache_oauth_tokens(self, refresh_token=None):
         if refresh_token:
             data = {
                 'grant_type': 'refresh_token',
-                'refresh_token': refresh_token
+                'refresh_token': refresh_token,
+                'client_id': 'public'
             }
 
         oauth_url = "{}/o/token".format(settings.BADGR_BASE_URL)