diff --git a/aurora/models/moderation.py b/aurora/models/moderation.py
index ff73aa0..363b163 100644
--- a/aurora/models/moderation.py
+++ b/aurora/models/moderation.py
@@ -10,6 +10,7 @@ from discord import NotFound
 from redbot.core.bot import Red
 
 from ..utilities.logger import logger
+from ..utilities.utils import timedelta_to_string
 from .base import AuroraGuildModel
 from .change import Change
 from .partials import PartialChannel, PartialRole, PartialUser
@@ -348,7 +349,7 @@ class Moderation(AuroraGuildModel):
             "target_id": target_id,
             "moderator_id": moderator_id,
             "role_id": role_id,
-            "duration": str(duration) if duration else None,
+            "duration": timedelta_to_string(duration) if duration else None,
             "end_timestamp": end_timestamp.timestamp() if end_timestamp else None,
             "reason": reason,
             "resolved": resolved,
diff --git a/aurora/utilities/utils.py b/aurora/utilities/utils.py
index f2adae0..1e6bdd6 100644
--- a/aurora/utilities/utils.py
+++ b/aurora/utilities/utils.py
@@ -194,6 +194,12 @@ def timedelta_from_relativedelta(relativedelta: rd) -> timedelta:
     then = now - relativedelta
     return now - then
 
+def timedelta_to_string(timedelta: timedelta) -> str:
+    """Converts a timedelta object to a string."""
+    hours, remainder = divmod(timedelta.seconds, 3600)
+    minutes, seconds = divmod(remainder, 60)
+    return f"{hours}:{minutes}:{seconds}s"
+
 def get_footer_image(coginstance: commands.Cog) -> File:
     """Returns the footer image for the embeds."""
     image_path = data_manager.bundled_data_path(coginstance) / "arrow.png"