diff --git a/payphone/cogs/calls/cog.py b/payphone/cogs/calls/cog.py
index 9de9cab..0fc92db 100644
--- a/payphone/cogs/calls/cog.py
+++ b/payphone/cogs/calls/cog.py
@@ -464,8 +464,10 @@ class Calls(base.Cog):
 
             await self.bot.redis.srem(
                 constants.CHANNELS_ONCALL_SET,
-                [str(channel_id)]
-                + ([str(other_channel.id)] if other_channel is not None else []),
+                *(
+                    [str(channel_id)]
+                    + ([str(other_channel.id)] if other_channel is not None else [])
+                ),
             )
 
             if other_channel is not None: