diff --git a/root/app/dispatcher.sh b/root/app/dispatcher.sh
index 8bfd70a..ceafbe6 100644
--- a/root/app/dispatcher.sh
+++ b/root/app/dispatcher.sh
@@ -7,7 +7,7 @@ declare -A DISKOVER_ARRAY
 DISKOVER_ARRAY[TODAY]=$(date +%Y-%m-%d)
 DISKOVER_ARRAY[INDEX_PREFIX]=${INDEX_PREFIX:-diskover-}
 DISKOVER_ARRAY[INDEX_NAME]=${INDEX_NAME:-${DISKOVER_ARRAY[INDEX_PREFIX]}${DISKOVER_ARRAY[TODAY]}}
-DISKOVER_ARRAY[DISKOVER_OPTS]=${DISKOVER_OPTS:-"-d /data -a"}
+DISKOVER_ARRAY[DISKOVER_OPTS]="${DISKOVER_OPTS:-} -d /data -a"
 DISKOVER_ARRAY[WORKER_OPTS]=${WORKER_OPTS:-""}
 DISKOVER_ARRAY[REDIS_HOST]=${REDIS_HOST:-redis}
 DISKOVER_ARRAY[REDIS_PORT]=${REDIS_PORT:-6379}