diff --git a/nessa/nessa.py b/nessa/nessa.py
index c2d3fb1..27c09f2 100644
--- a/nessa/nessa.py
+++ b/nessa/nessa.py
@@ -53,15 +53,18 @@ class Nessa(discord.Client):
 
         @self.tree.command(name="sync_commands", description="Force sync commands in a specific guild.")
         @app_commands.check(is_owner_or_admin)  # or @discord.app_commands.checks.is_owner()
-        async def sync_commands(interaction: discord.Interaction, guild_id: int):
-            if interaction.user.id == OWNER_ID:
-                guild = self.get_guild(guild_id)
+        async def sync_commands(interaction: discord.Interaction, guild_id: str):
+            try:
+                guild_id_int = int(guild_id)
+                guild = self.get_guild(guild_id_int)
                 if guild is None:
                     await interaction.response.send_message("Guild not found.", ephemeral=True)
                     return
-                await self.tree.sync(guild=discord.Object(id=guild))
-                self.tree.copy_global_to(guild=discord.Object(id=guild))
+                await self.tree.sync(guild=discord.Object(id=guild_id_int))
+                self.tree.copy_global_to(guild=discord.Object(id=guild_id_int))
                 await interaction.response.send_message(f"Commands synced successfully for guild {guild.name}.", ephemeral=True)
+            except ValueError:
+                await interaction.response.send_message("Invalid guild ID.", ephemeral=True)
 
     async def on_ready(self):
         print(f"Logged on as {self.user}!")