diff --git a/docker-compose.yml b/docker-compose.yml
index 45c1f52..2b14085 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -60,6 +60,7 @@ services:
     - VPN_TYPE=openvpn
     - OPENVPN_USER=${VPN_USER}
     - OPENVPN_PASSWORD=${VPN_PASS}
+    - OPENVPN_CUSTOM_CONFIG=/gluetun/custom.conf
     volumes:
       - ${CONFIG}/gluetun:/gluetun
     ports: