diff --git a/src/telephone.py b/src/telephone.py
index 7e8852b..c72ee18 100644
--- a/src/telephone.py
+++ b/src/telephone.py
@@ -169,7 +169,7 @@ When you want to end a call, use hangup.
         pass
 
     @telephone.command(brief="Undo link commands.")
-    @commands.check(util.extpriv_check)
+    @commands.check(util.server_mod_check)
     async def unlink(self, ctx, target_type, target_id, bidirectional: bool = True):
         target_id = util.extract_codeblock(target_id)
         try:
diff --git a/src/util.py b/src/util.py
index 02bd782..b053b56 100644
--- a/src/util.py
+++ b/src/util.py
@@ -250,7 +250,7 @@ def gen_codeblock(content):
 def json_encode(x): return json.dumps(x, separators=(',', ':'))
 
 async def server_mod_check(ctx):
-    return ctx.author.permissions_in(ctx.channel).manage_channels or (await extpriv_check(ctx))
+    return ctx.channel.permissions_for(ctx.author).manage_channels or (await extpriv_check(ctx))
 
 async def admin_check(ctx):
     return await ctx.bot.is_owner(ctx.author)