diff --git a/README.md b/README.md
index 75a1825..4bd354f 100644
--- a/README.md
+++ b/README.md
@@ -527,7 +527,7 @@ The exposed metrics include a lot of different data but the most important ones
 
 ##### zonemta_delivery_status
 
-`zonemta_delivery_status` exposes counters for delivery statuses. There are 3 different `result` label values
+`zonemta_delivery_status` exposes counters for delivery statuses. There are 3 different `result` label values. The zone name is exposed in the `zone` label.
 
 -   `result="delivered"` – count of deliveries accepted by remote MX
 -   `result="rejected"` – count of deliveries that hard bounced
diff --git a/lib/queue-server.js b/lib/queue-server.js
index 016d924..f441297 100644
--- a/lib/queue-server.js
+++ b/lib/queue-server.js
@@ -13,7 +13,7 @@ const promClient = require('prom-client');
 const deliveryStatusCounter = new promClient.Counter({
     name: 'zonemta_delivery_status',
     help: 'Delivery status',
-    labelNames: ['status']
+    labelNames: ['status', 'zone']
 });
 const messagePushCounter = new promClient.Counter({
     name: 'zonemta_message_push',
@@ -155,7 +155,8 @@ class QueueServer {
                             deliveryStatus = data.status.delivered ? 'delivered' : 'rejected';
                         }
                         deliveryStatusCounter.inc({
-                            status: deliveryStatus
+                            status: deliveryStatus,
+                            zone: client.zone.name
                         });
                         return this.releaseDelivery(client.zone, client.id, data, (err, response) => {
                             if (!client) {
@@ -188,7 +189,8 @@ class QueueServer {
                             });
                         }
                         deliveryStatusCounter.inc({
-                            status: 'deferred'
+                            status: 'deferred',
+                            zone: client.zone.name
                         });
 
                         return this.deferDelivery(client.zone, client.id, data, (err, response) => {