diff --git a/moderation/moderation.py b/moderation/moderation.py
index 0800593..c75e5b0 100644
--- a/moderation/moderation.py
+++ b/moderation/moderation.py
@@ -45,7 +45,7 @@ class Moderation(commands.Cog):
         except ConnectionRefusedError:
             return
 
-    def cog_unload(self):
+    async def cog_unload(self):
         self.handle_expiry.cancel()
 
     @commands.Cog.listener('on_guild_join')