diff --git a/roles/badges/backend/files/cron/award-oldschool-badges b/roles/badges/backend/files/cron/award-oldschool-badges
index cc401816ff..61f9e73024 100755
--- a/roles/badges/backend/files/cron/award-oldschool-badges
+++ b/roles/badges/backend/files/cron/award-oldschool-badges
@@ -123,6 +123,7 @@ def main():
 
     # A mapping of fas groups to badge ids
     mapping = {
+        '3d-printing-sig' : '3d-printing-sig-member',
         'cla_done': 'involvement',
         'ambassadors': 'ambassador',
         'ambassadors_sponsors': 'ambassadors-sponsor',