diff --git a/docker-compose.yml b/docker-compose.yml
index c403789..a4c456e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,7 @@ services:
         target: /data/application.yaml
 
     labels:
-      - "traefik.http.routers.expertisa-master.rule=HostRegexp(`master\\..+`)"
+      - "traefik.http.routers.expertisa-master.rule=HostRegexp(`(?i)master\\..+`)"
       - "traefik.http.routers.expertisa-master.tls=true"
       - "traefik.http.services.expertisa-master.loadbalancer.healthcheck.path=/health/readiness"
       - "traefik.http.services.expertisa-master.loadbalancer.healthcheck.interval=5s"