diff --git a/docker-compose.yml b/docker-compose.yml
index bdfa74b..c08f1b2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -66,7 +66,7 @@ services:
       - PUID=1000
       - PGID=1000
       - URL=yourdomain.tld
-      - SUBDOMAINS=matrix,app,turn
+      - SUBDOMAINS=synapse,app,turn
       - VALIDATION=http
       - EMAIL=changeme@yourdomain.tld
       - ONLY_SUBDOMAINS=true