diff --git a/server/docker/entrypoint-db-setup b/server/docker/entrypoint-db-setup
index 703cf5fbe..5d9a45d8e 100755
--- a/server/docker/entrypoint-db-setup
+++ b/server/docker/entrypoint-db-setup
@@ -24,7 +24,11 @@ source /run/secrets/django || true
 }
 export SECRET_KEY="$DJANGO_SECRET_KEY"
 
-until pg_isready -h "${DATABASE_HOST:-pgbouncer}" -p "${DATABASE_PORT:-5432}"; do
+export PGHOST="${DATABASE_HOST:-pgbouncer}"
+export PGPORT="${DATABASE_PORT:-5432}"
+export PGDATABASE="${DATABASE_NAME:-openslides}"
+export PGUSER="${DATABASE_USER:-openslides}"
+until pg_isready; do
   echo "Waiting for Postgres cluster to become available..."
   sleep 3
 done