diff --git a/tables/appdb_tables.sql b/tables/appdb_tables.sql
index fe7bb22..b514dc8 100644
--- a/tables/appdb_tables.sql
+++ b/tables/appdb_tables.sql
@@ -58,7 +58,8 @@ create table appVersion (
   submitTime            timestamp(14) NOT NULL,
   submitterId           int(11) NOT NULL default '0',
   queued                enum('true','false','rejected') NOT NULL default 'false',
-  key(versionId)
+  key(versionId),
+  index(appId)
 );