diff --git a/services/comms/guest-name-job.yaml b/services/comms/guest-name-job.yaml
index f31f949..44d3090 100644
--- a/services/comms/guest-name-job.yaml
+++ b/services/comms/guest-name-job.yaml
@@ -295,8 +295,8 @@ spec:
                                       if not new:
                                           continue
                                       cur.execute(
-                                          "INSERT INTO profiles (user_id, displayname) VALUES (%s, %s) ON CONFLICT (user_id) DO UPDATE SET displayname = EXCLUDED.displayname",
-                                          (user_id, new),
+                                          "INSERT INTO profiles (user_id, displayname, full_user_id) VALUES (%s, %s, %s) ON CONFLICT (user_id) DO UPDATE SET displayname = EXCLUDED.displayname",
+                                          (user_id, new, user_id),
                                       )
                       finally:
                           conn.close()