diff --git a/bot.py b/bot.py
index c1bbf2c..e20e456 100644
--- a/bot.py
+++ b/bot.py
@@ -190,16 +190,16 @@ async def mute(ctx, target_user:discord.User):
     if vote_passed:
         # Add to muted_users
         muted_users.append(target_user)
-        # add temp. role for mute
+        # add temp. role for mute, edit role position to take precedence over other roles
         muted_role = await ctx.guild.create_role(name="Muted")
-        # edit role position to take precedence over other roles
         await muted_role.edit(position=ctx.guild.get_member(target_user.id).top_role.position+1)
+
         # change channel permissions for new role
         for channel in ctx.guild.channels:
-            if channel is discord.TextChannel and target_user in channel.members:
+            if type(channel) is discord.TextChannel and target_user in channel.members:
                 await channel.set_permissions(muted_role, read_messages=True, send_messages=False, add_reactions=False)
 
-            elif channel is discord.VoiceChannel:
+            elif type(channel) is discord.VoiceChannel:
                 await channel.set_permissions(muted_role, connect=False)
 
         # Give role to member
@@ -248,4 +248,4 @@ async def ban(ctx, target_user:discord.User):
     banning_users.remove(target_user)
 
 # bot.run(open("token.txt").read().strip())
-bot.run(environ["BOT_TOKEN"])
+bot.run(environ["BOT_TOKEN"])
\ No newline at end of file