diff --git a/setup/mail-postfix.sh b/setup/mail-postfix.sh
index a31a2773..fba1cb76 100755
--- a/setup/mail-postfix.sh
+++ b/setup/mail-postfix.sh
@@ -204,7 +204,7 @@ postconf -e smtpd_sender_restrictions="reject_non_fqdn_sender,reject_unknown_sen
 
 RECIPIENT_RESTRICTIONS="permit_sasl_authenticated,permit_mynetworks,reject_rbl_client zen.spamhaus.org,reject_unlisted_recipient"
 
-if [ $GREYLISTING != 1 ]; then
+if [ $POSTGREY != 1 ]; then
     RECIPIENT_RESTRICTIONS="${RECIPIENT_RESTRICTIONS},check_policy_service inet:127.0.0.1:10023"
 fi
 
diff --git a/setup/start.sh b/setup/start.sh
index b84d720c..a3061fe0 100755
--- a/setup/start.sh
+++ b/setup/start.sh
@@ -46,8 +46,8 @@ if [ -z "${HTTP_SSL_PORT:-}" ]; then
 	HTTP_SSL_PORT=$([[ -z "${DEFAULT_HTTP_SSL_PORT:-}" ]] && echo "443" || echo "$DEFAULT_HTTP_SSL_PORT")
 fi
 
-if [ -z "${GREYLISTING:-}" ]; then
-	GREYLISTING=$([[ -z "${DEFAULT_GREYLISTING:-}" ]] && echo "1" || echo "$DEFAULT_GREYLISTING")
+if [ -z "${POSTGREY:-}" ]; then
+	POSTGREY=$([[ -z "${DEFAULT_POSTGREY:-}" ]] && echo "1" || echo "$DEFAULT_POSTGREY")
 fi
 
 if [ -z "${POSTSRSD:-}" ]; then
@@ -110,7 +110,7 @@ PUBLIC_IPV6=$PUBLIC_IPV6
 PRIVATE_IP=$PRIVATE_IP
 PRIVATE_IPV6=$PRIVATE_IPV6
 HTTP_SSL_PORT=$HTTP_SSL_PORT
-GREYLISTING=$GREYLISTING
+POSTGREY=$POSTGREY
 POSTSRSD=$POSTSRSD
 POLICY_SPF=$POLICY_SPF
 EOF