diff --git a/docker-compose.yml b/docker-compose.yml
index 22b78d8..d578658 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,7 +37,7 @@ services:
                 -Dtika.url=http://transform-engine-aio:8090
                 -Dtransform.misc.url=http://transform-engine-aio:8090
 
-                -Ddsync.service.uris=http://localhost:8080/sync
+                -Ddsync.service.uris=${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}/sync
                 
                 -Dsystem.content.eagerOrphanCleanup=true
                 -Dsystem.content.orphanProtectDays=0