diff --git a/discord/commands/options.py b/discord/commands/options.py
index 1cd0260e57..aa0a43010b 100644
--- a/discord/commands/options.py
+++ b/discord/commands/options.py
@@ -139,7 +139,7 @@ def __init__(self, input_type: Any, /, description: str = None, **kwargs) -> Non
                     input_type = SlashCommandOptionType.string
                 else:
                     if _type == SlashCommandOptionType.channel:
-                        if not isinstance(input_type, tuple):
+                        if not isinstance(input_type, list):
                             input_type = (input_type,)
                         for i in input_type:
                             if i.__name__ == "GuildChannel":