diff --git a/puncher.nim b/puncher.nim
index 9bf5776..69043e2 100644
--- a/puncher.nim
+++ b/puncher.nim
@@ -101,6 +101,8 @@ proc handleMsg*(puncher: Puncher, msg: string, peerIp: IpAddress,
       echo &"handling QUIC message from {peerIp}:{peerPort}"
     puncher.attempts[i].future.complete(peerPort)
     puncher.attempts.del(i)
+  else:
+    echo &"received unexpected packet from {peerIp}:{peerPort}"
 
 proc handleMsg*(puncher: Puncher, msg: string,
                 peerAddr: SockAddr | Sockaddr_storage, peerSockLen: SockLen) =