diff --git a/index.js b/index.js
index 1d952a2..1520e76 100644
--- a/index.js
+++ b/index.js
@@ -924,8 +924,8 @@ ADTPulsePlatform.prototype.setDeviceStatus = function (accessory, arm) {
         .login()
         .then(async () => {
             // Attempt to clear the alarms first.
-            if (lastState.includes("alarm")) {
-                if (["carbon monoxide", "fire", "burglary"].includes(lastState)) {
+            if (latestState.includes("alarm")) {
+                if (["carbon monoxide", "fire", "burglary"].includes(latestState)) {
                     this.logMessage(`Alarm is active! Disarming the ${name} (${id})...`, 20);
 
                     await this.pulse.setDeviceStatus(oldArmState, "off")
diff --git a/package.json b/package.json
index eb33b1b..1101744 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "homebridge-adt-pulse",
-    "version": "1.6.5",
+    "version": "1.6.6",
     "description": "Homebridge security system platform for ADT Pulse",
     "main": "index.js",
     "scripts": {