diff --git a/aurora/models.py b/aurora/models.py
index f875ce7..d93c025 100644
--- a/aurora/models.py
+++ b/aurora/models.py
@@ -72,7 +72,7 @@ class Moderation(BaseModel):
 class JSONEncoder(json.JSONEncoder):
     def default(self, o):
         if isinstance(o, datetime):
-            return o.timestamp()
+            return int(o.timestamp())
         if isinstance(o, timedelta):
             return str(o)
         return super().default(o)