diff --git a/irc.py b/irc.py
index 38e9056..c7afacd 100644
--- a/irc.py
+++ b/irc.py
@@ -38,6 +38,8 @@ class IRC(object):
         self._send(f"USER {nick} * * :{nick}")
         self._send(f"NICK {nick}")
         self._send(f"CAP REQ :message-tags")
+        self._waitfor(lambda m: "CAP" in m and "ACK" in m)
+        self._send(f"CAP END")
         self._waitfor(lambda m: "NOTICE" in m and "/AUTH" in m)
 
         for i in range(3):