diff --git a/db/gmp-schema.sql b/db/gmp-schema.sql
index 2c30a34..ebbf3d2 100644
--- a/db/gmp-schema.sql
+++ b/db/gmp-schema.sql
@@ -64,8 +64,10 @@ CREATE TABLE `files` (
   `LAST_UPDATE` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   `targetid` varchar(10) DEFAULT NULL,
   PRIMARY KEY (`id`),
+  UNIQUE KEY `ifunique` (`qid`,`filename`) USING BTREE,
   KEY `qid` (`qid`),
   KEY `qid_2` (`qid`,`targetid`),
+  KEY `if` (`filename`) USING BTREE,
   CONSTRAINT `fk` FOREIGN KEY (`qid`, `targetid`) REFERENCES `queue` (`id`, `targetid`) ON DELETE CASCADE ON UPDATE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 /*!40101 SET character_set_client = @saved_cs_client */;