diff --git a/homeassistant/components/thethingsnetwork/sensor.py b/homeassistant/components/thethingsnetwork/sensor.py
index 0f1220f9b07..13b51d505c3 100644
--- a/homeassistant/components/thethingsnetwork/sensor.py
+++ b/homeassistant/components/thethingsnetwork/sensor.py
@@ -153,7 +153,7 @@ class TtnDataStorage:
             return False
 
         data = await req.json()
-        self.data = data[0]
+        self.data = data[-1]
 
         for value in self._values.items():
             if value[0] not in self.data.keys():