diff --git a/aurora/models.py b/aurora/models.py
index a7b81a7..f00f0b5 100644
--- a/aurora/models.py
+++ b/aurora/models.py
@@ -118,14 +118,14 @@ class Change(AuroraBaseModel):
 
     @classmethod
     def from_dict(cls, bot: Red, data: dict) -> "Change":
-        if data["duration"] is not None:
+        if "duration" in data and data["duration"] is not None:
             hours, minutes, seconds = map(int, data["duration"].split(':'))
             duration = timedelta(hours=hours, minutes=minutes, seconds=seconds)
         else:
             duration = None
         data.update({
             "timestamp": datetime.fromtimestamp(data["timestamp"]),
-            "end_timestamp": datetime.fromtimestamp(data["end_timestamp"]) if data["end_timestamp"] else None,
+            "end_timestamp": datetime.fromtimestamp(data["end_timestamp"]) if "end_timestamp" in data and data["end_timestamp"] else None,
             "duration": duration
         })
         return cls(bot=bot, **data)