diff --git a/ahtcg_bot.py b/ahtcg_bot.py
index 362deb2..2b86c72 100755
--- a/ahtcg_bot.py
+++ b/ahtcg_bot.py
@@ -60,7 +60,9 @@ class ArkhamDBUpdater(commands.Bot):
 
     async def clear_old_messages(self, channel: discord.TextChannel) -> None:
         async for message in channel.history(limit=200):
-            if message.author.id == self.user.id and message.id != channel.last_message_id:
+            if message.author.id == self.user.id \
+               and message.id != channel.last_message_id \
+               and len(message.embeds) == 1:
                 await message.delete()
 
     async def update_channel_latest_decks(self, channel: discord.TextChannel) -> None:
@@ -81,8 +83,10 @@ class ArkhamDBUpdater(commands.Bot):
             title=f'Updated as of {datetime.now()}',
             description=message_text)
 
-        if last_message is not None and last_message.author.id == self.user.id:
-            if len(last_message.embeds) == 1 and message_text != last_message.embeds[0].description:
+        if last_message is not None \
+           and last_message.author.id == self.user.id \
+           and len(last_message.embeds) == 1:
+            if message_text != last_message.embeds[0].description:
                 await last_message.edit(embed=message_embed)
         else:
             await channel.send(embed=message_embed)