diff --git a/docker-compose.yml b/docker-compose.yml
index ef9e120..3409c32 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     image: ngoduykhanh/powerdns-admin:${PDA_VERSION}
     restart: always
     environment:
-      - SQLALCHEMY_DATABASE_URI=mysql://${MYSQL_USER}:${MYSQL_PASS}@host.docker.internal/${MYSQL_DBNAME}
+      - SQLALCHEMY_DATABASE_URI=${PDA_DBURI}
       - GUNICORN_TIMEOUT=60
       - GUNICORN_WORKERS=2
       - GUNICORN_LOGLEVEL=INFO
diff --git a/example.env b/example.env
index fb2ac83..e269d3a 100644
--- a/example.env
+++ b/example.env
@@ -1,8 +1,6 @@
 # PowerDNS-Admin
 PDA_VERSION=0.2.4
-MYSQL_DBNAME=pdns
-MYSQL_USER=pdns
-MYSQL_PASS=changeme
+PDA_DBURI=mysql://pdns:changeme@host.docker.internal/pdns
 
 # Træfik
 TRAEFIK_CERTRESOLVER=letsencrypt