diff --git a/homeassistant/components/device_tracker/ubus.py b/homeassistant/components/device_tracker/ubus.py
old mode 100644
new mode 100755
index 31c7d32c4c1..b1d5aa499b5
--- a/homeassistant/components/device_tracker/ubus.py
+++ b/homeassistant/components/device_tracker/ubus.py
@@ -144,7 +144,10 @@ def _req_json_rpc(url, session_id, rpcmethod, subsystem, method, **params):
         response = res.json()
 
         if rpcmethod == "call":
-            return response["result"][1]
+            try:
+                return response["result"][1]
+            except IndexError:
+                return
         else:
             return response["result"]