diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index 14ff300..f73ff4e 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -15,6 +15,7 @@ services:
     extra_hosts:
       - 'host.docker.internal:host-gateway'
     networks:
+      - default
       - synapse
     ports:
       - "${INTERFACE_EXT:-127.0.0.1}:${HTTP_PORT_EXT:-8008}:${HTTP_PORT_INT:-8008}/tcp"