diff --git a/schema.sql b/schema.sql
index 55ffc10..f4683b7 100644
--- a/schema.sql
+++ b/schema.sql
@@ -10,6 +10,7 @@ create table doovers(dooverid integer primary key, dt text, tries integer, usern
 create index idx_honksxid on honks(xid);
 create index idx_honksconvoy on honks(convoy);
 create index idx_honkshonker on honks(honker);
+create index idx_honksoonker on honks(oonker);
 create index idx_honkerxid on honkers(xid);
 create index idx_xonkername on xonkers(name);
 create index idx_zonkersname on zonkers(name);
diff --git a/upgradedb.go b/upgradedb.go
index 1b326fc..9e5744f 100644
--- a/upgradedb.go
+++ b/upgradedb.go
@@ -106,6 +106,9 @@ func upgradedb() {
 		doordie(db, "update users set options = ''")
 		doordie(db, "update config set value = 12 where key = 'dbversion'")
 	case 12:
+		doordie(db, "create index idx_honksoonker on honks(oonker)")
+		doordie(db, "update config set value = 13 where key = 'dbversion'")
+	case 13:
 	default:
 		log.Fatalf("can't upgrade unknown version %d", dbversion)
 	}
diff --git a/util.go b/util.go
index 19da525..76c85ce 100644
--- a/util.go
+++ b/util.go
@@ -71,7 +71,7 @@ var dbtimeformat = "2006-01-02 15:04:05"
 var alreadyopendb *sql.DB
 var dbname = "honk.db"
 var stmtConfig *sql.Stmt
-var myVersion = 12
+var myVersion = 13
 
 func initdb() {
 	schema, err := ioutil.ReadFile("schema.sql")