diff --git a/xmpp_discord_bridge/main.py b/xmpp_discord_bridge/main.py
index 1f702c3..ae2417b 100644
--- a/xmpp_discord_bridge/main.py
+++ b/xmpp_discord_bridge/main.py
@@ -343,6 +343,10 @@ class BridgeComponent(ComponentXMPP):
             # Handle a status change
             for channel in self._guild_map[guild]:
                 muc = self._guild_map[guild][channel]
+                if after.id not in self._virtual_muc_nicks[muc]:
+                    self._logger.debug("Got presence update from someone outside of the channel. Ignoring...")
+                    return
+
                 if after.status == Status.offline:
                     if self._dont_ignore_offline:
                         self.virtual_user_update_presence(muc,