diff --git a/homeassistant/components/tibber/sensor.py b/homeassistant/components/tibber/sensor.py
index 660bbb741b0..330e9d5c61d 100644
--- a/homeassistant/components/tibber/sensor.py
+++ b/homeassistant/components/tibber/sensor.py
@@ -1,6 +1,6 @@
 """Support for Tibber sensors."""
 import asyncio
-from datetime import datetime, timedelta
+from datetime import timedelta
 import logging
 from random import randrange
 
@@ -311,7 +311,7 @@ class TibberSensorRT(TibberSensor):
             "last meter consumption",
             "last meter production",
         ]:
-            self._attr_last_reset = datetime.fromtimestamp(0)
+            self._attr_last_reset = dt_util.utc_from_timestamp(0)
         elif self._sensor_name in [
             "accumulated consumption",
             "accumulated production",