diff --git a/tools/tools.py b/tools/tools.py
index 88b848c..86a2ac1 100644
--- a/tools/tools.py
+++ b/tools/tools.py
@@ -356,6 +356,7 @@ class Tools(commands.Cog):
             )
             await awaiter.edit(embed=embed)
 
+    @commands.guild_only()
     @commands.command()
     async def joined(self, ctx, user: discord.Member = None):
         """Show when a user joined the guild."""