diff --git a/bot.py b/bot.py
index fa84b36..efaa8b9 100755
--- a/bot.py
+++ b/bot.py
@@ -78,7 +78,9 @@ class BotClient(discord.Client):
                     calc = await self._calculate(args)
                     await message.reply(content=calc.strip())
                 except Exception as e:
-                    await message.reply(content="```\n" + str(e) + "\n```")
+                    await message.reply(
+                        content="```\n" + str(e) + "\n```", delete_after=30
+                    )
             case _:
                 _log.info(f"Unrecognised command {command}")