diff --git a/index.js b/index.js
index 7a658d4..97403bb 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,7 @@ kuma.status(process.env.STATUSPAGE).then((status) => {
         for (let monitor of x.monitors) {
             totalCount++;  // Increment total services count
             // Check if the service is online
-            if (monitor.heartbeats[0].status) {
+            if (monitor.heartbeats.slice().status) {
                 onlineCount++;  // Increment online services count
             } else {
 				offline.push(monitor.name)