diff --git a/docker-compose.yaml b/docker-compose.yaml
index 678e92125dea0b53fb6df2126a7990d1bd22ec60..8b63ed21ef1d33849e28dad6acecacc461fce017 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -21,7 +21,7 @@ services:
     environment:
       - BISCUIT_http__allowed_hosts="['*']"
       - BISCUIT_caching__memcached__address=memcached:11211
-      - POSTGRES_HOST=db
+      - BISCUIT_databae__host=db
     depends_on:
       - db
       - memcached