diff --git a/root/app/cleanup.sh b/root/app/cleanup.sh
index 8fb3f59..cf38e86 100644
--- a/root/app/cleanup.sh
+++ b/root/app/cleanup.sh
@@ -9,7 +9,7 @@ fi
 
 # empty existing redis queue
 echo "emptying current redis queues..."
-rq empty -u redis://${DISKOVER_ARRAY[REDIS_HOST]}:${DISKOVER_ARRAY[REDIS_PORT]} diskover_crawl diskover diskover_calcdir failed
+rq empty -u redis://"${DISKOVER_ARRAY[REDIS_HOST]}":"${DISKOVER_ARRAY[REDIS_PORT]}" diskover_crawl diskover diskover_calcdir failed
 sleep 3
 
 echo "killing dangling workers..."