diff --git a/classes.py b/classes.py
index cb3f3cc..9c4e2ed 100644
--- a/classes.py
+++ b/classes.py
@@ -1285,10 +1285,15 @@ class Protocol():
 
     def _squit(self, numeric, command, args):
         """Handles incoming SQUITs."""
-        # <- ABAAE SQ nefarious.midnight.vpn 0 :test
 
         split_server = self._getSid(args[0])
 
+        # Normally we'd only need to check for our SID as the SQUIT target, but Nefarious
+        # actually uses the uplink server as the SQUIT target.
+        # <- ABAAE SQ nefarious.midnight.vpn 0 :test
+        if split_server in (self.irc.sid, self.irc.uplink):
+            raise ProtocolError('SQUIT received: (reason: %s)' % args[-1])
+
         affected_users = []
         affected_nicks = []
         log.debug('(%s) Splitting server %s (reason: %s)', self.irc.name, split_server, args[-1])