diff --git a/utils/create_db.sh b/utils/create_db.sh
index 285062c2c4a538399e2bde10b7a66bf33006b6df..f0226b38b568f43b1f318d12676d945d028131b5 100755
--- a/utils/create_db.sh
+++ b/utils/create_db.sh
@@ -14,6 +14,9 @@ if [ ! -e $1 ]; then
   	exit 1
   fi
   $SQLITE3 $1 'CREATE TABLE document (uri varcharg(1000), doc varchar(1000), format varchar(50));'
+  $SQLITE3 $1 'CREATE INDEX IF NOT EXISTS document_uri ON document(uri);'
+  $SQLITE3 $1 'CREATE INDEX IF NOT EXISTS document_uri_format ON document(uri, format);'
+  $SQLITE3 $1 'CREATE INDEX IF NOT EXISTS document_doc ON document(doc);'
 else
   echo "WARNING: SQLite database already exists."
 fi