diff --git a/discord/guild.py b/discord/guild.py
index a882b08..44da476 100644
--- a/discord/guild.py
+++ b/discord/guild.py
@@ -476,6 +476,7 @@ def _from_data(self, guild: GuildPayload) -> None:
         )
         self.explicit_content_filter: ContentFilter = try_enum(ContentFilter, guild.get('explicit_content_filter', 0))
         self.afk_timeout: int = guild.get('afk_timeout', 0)
+        self._afk_channel_id: Optional[int] = utils._get_as_snowflake(guild, 'afk_channel_id')
         self._icon: Optional[str] = guild.get('icon')
         self._banner: Optional[str] = guild.get('banner')
         self.unavailable: bool = guild.get('unavailable', False)