diff --git a/aurora/models/moderation.py b/aurora/models/moderation.py
index 9ebb733..272a165 100644
--- a/aurora/models/moderation.py
+++ b/aurora/models/moderation.py
@@ -251,7 +251,10 @@ class Moderation(AuroraGuildModel):
             end_timestamp = None
 
         if not expired:
-            expired = bool(timestamp > end_timestamp)
+            if end_timestamp:
+                expired = bool(timestamp > end_timestamp)
+            else:
+                expired = False
 
         if reason == "NULL":
             reason = None