diff --git a/lib/extension/deviceAvailability.js b/lib/extension/deviceAvailability.js
index 5816de5c4..591eecf89 100644
--- a/lib/extension/deviceAvailability.js
+++ b/lib/extension/deviceAvailability.js
@@ -90,13 +90,13 @@ class DeviceAvailability {
         }, mechanism);
     }
 
-    setTimer(ieeeAddr) {
-        if (this.timers[ieeeAddr]) {
-            clearTimeout(this.timers[ieeeAddr]);
+    setTimer(device) {
+        if (this.timers[device.ieeeAddr]) {
+            clearTimeout(this.timers[device.ieeeAddr]);
         }
 
-        this.timers[ieeeAddr] = setTimeout(() => {
-            this.handleInterval(ieeeAddr);
+        this.timers[device.ieeeAddr] = setTimeout(() => {
+            this.handleInterval(device);
         }, utils.secondsToMilliseconds(this.availability_timeout));
     }