diff --git a/aurora/models.py b/aurora/models.py
index c4013cb..9ac8b90 100644
--- a/aurora/models.py
+++ b/aurora/models.py
@@ -38,7 +38,7 @@ class Moderation(BaseModel):
             result = cursor.fetchone()
 
             if result:
-                if result[7] != "NULL":
+                if result[7] is not None:
                     hours, minutes, seconds = map(int, result[7].split(':'))
                     duration = timedelta(hours=hours, minutes=minutes, seconds=seconds)
                 else: