diff --git a/keyserver/docker-compose.yml b/keyserver/docker-compose.yml
index eea9c4fd4..ee623e2f1 100644
--- a/keyserver/docker-compose.yml
+++ b/keyserver/docker-compose.yml
@@ -1,38 +1,38 @@
 version: "3.9"
 services:
   node:
     build:
       dockerfile: keyserver/Dockerfile
       context: ../
     image: commapp/node-keyserver:1.0
     restart: always
     ports:
       - "3000:3000"
     environment:
       - REDIS_URL=redis://cache
-      - COMM_MYSQL_HOST
+      - COMM_MYSQL_HOST=${COMM_MYSQL_HOST:-database}
       - COMM_MYSQL_DATABASE
       - COMM_MYSQL_USER
       - COMM_MYSQL_PASSWORD
     depends_on:
       - cache
       - database
   database:
     image: mysql:5.7.37-debian
     restart: always
     expose:
       - "3306"
     # There is no M1 build on Docker Hub, so we force x64
     # This is what we want in production anyways. M1 devs will have it emulated
     platform: linux/amd64
     environment:
       - MYSQL_RANDOM_ROOT_PASSWORD=yes
       - MYSQL_DATABASE=$COMM_MYSQL_DATABASE
       - MYSQL_USER=$COMM_MYSQL_USER
       - MYSQL_PASSWORD=$COMM_MYSQL_PASSWORD
   cache:
     image: redis:6.2.6-bullseye
     restart: always
     expose:
       - "6379"
     command: redis-server --loglevel warning