diff --git a/upgradedb.go b/upgradedb.go
index 611b36f..eb26026 100644
--- a/upgradedb.go
+++ b/upgradedb.go
@@ -65,6 +65,7 @@ func upgradedb() {
 		doordie(db, "update config set value = 5 where key = 'dbversion'")
 		fallthrough
 	case 5:
+		doordie(db, "delete from donks where honkid in (select honkid from honks where what = 'zonk')")
 		doordie(db, "delete from honks where what = 'zonk'")
 		doordie(db, "update config set value = 6 where key = 'dbversion'")
 		fallthrough