diff --git a/rootfs/etc/services.d/postgres/run b/rootfs/etc/services.d/postgres/run
index 12be913..b091b2b 100755
--- a/rootfs/etc/services.d/postgres/run
+++ b/rootfs/etc/services.d/postgres/run
@@ -4,5 +4,5 @@ s6-setuidgid postgres postgres \
     -D $PGDATA \
     -c listen_addresses='*' \
     -c ssl=on \
-    -c ssl_cert_file="/var/lib/postgresql/.lego/certificates/${POSTGRES_DOMAIN}.crt" \
-    -c ssl_key_file="/var/lib/postgresql/.lego/certificates/${POSTGRES_DOMAIN}.key"
+    -c ssl_cert_file="/var/lib/postgresql/.lego/certificates/${CERT_DOMAIN}.crt" \
+    -c ssl_key_file="/var/lib/postgresql/.lego/certificates/${CERT_DOMAIN}.key"