diff --git a/ChargeControl.py b/ChargeControl.py
index 2aa8def..123da73 100644
--- a/ChargeControl.py
+++ b/ChargeControl.py
@@ -56,7 +56,7 @@ class ChargeControl:
                     logger.info(f"charging status of {self.vin} is {status}, battery level: {level}")
                     if status == "InProgress":
                         # force update if the car doesn't send info during 10 minutes
-                        last_update = datetime.strptime(res.energy[0].updated_at, "%Y-%m-%dT%H:%M:%SZ")
+                        last_update = res.energy[0].updated_at
                         if (datetime.utcnow() - last_update).total_seconds() > 60 * 10:
                             self.psacc.wakeup(self.vin)
                         if (level >= self.percentage_threshold and self.retry_count < 2) or stop_charge: