diff --git a/models.py b/models.py
index 348acbb..589fe28 100644
--- a/models.py
+++ b/models.py
@@ -123,7 +123,7 @@ class WhaleContainerLog(db.Model):
     def __init__(self, container):
         self.user_id = container.user_id
         self.challenge_id = container.challenge_id
-        self.start_time = container.start_time
+        self.start_time = datetime.strptime(container.start_time, "%Y-%m-%dT%H:%M:%S.%f")
         self.uuid = container.uuid
         self.port = container.port
         self.flag = container.flag