diff --git a/core/bot.py b/core/bot.py
index c1be085..f831286 100644
--- a/core/bot.py
+++ b/core/bot.py
@@ -240,6 +240,8 @@ class IRCBot(IRCClient):
                 if "Connected!" in cast["msg"]:
                     log("ZNC connected on %s - %i" % (self.net, self.num))
                     self.isconnected = True
+                if "could not be joined, disabling it" in cast["msg"]:
+                    error(cast["msg"])
         #
 
         # don't reprocess the same message twice
@@ -650,7 +652,6 @@ class IRCBot(IRCClient):
                     return
             else:
                 self.authenticated = True
-                warn("Won't send registration ping for %s - %i" % (self.net, self.num))
 
     def signedOn(self):
         log("signed on: %s - %i" % (self.net, self.num))