diff --git a/docker-compose/device-ccd.yml b/docker-compose/device-ccd.yml
index 08accf9785126b3330973e37cab5f0bc31939951..a430b88eb05234b6bd62cc2a3d8784a28ae1010e 100644
--- a/docker-compose/device-ccd.yml
+++ b/docker-compose/device-ccd.yml
@@ -31,7 +31,7 @@ services:
     networks:
       - control
     ports:
-      - "5722:5722" # unique port for this DS
+      - "5721:5721" # unique port for this DS
     extra_hosts:
       - "host.docker.internal:host-gateway"
     volumes:
@@ -43,5 +43,5 @@ services:
       - bin/start-ds.sh
       # configure CORBA to _listen_ on 0:port, but tell others we're _reachable_ through ${HOSTNAME}:port, since CORBA
       # can't know about our Docker port forwarding
-      - l2ss-ccd Ccd STAT -v  -v -ORBendPoint giop:tcp:device-ccd:5722 -ORBendPointPublish giop:tcp:${HOSTNAME}:5722
+      - l2ss-ccd Ccd STAT -v  -v -ORBendPoint giop:tcp:device-ccd:5721 -ORBendPointPublish giop:tcp:${HOSTNAME}:5721
     restart: on-failure