fix #632

irc/client_lookup_set.go

@@ -155,7 +155,7 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
 	// the client may just be changing case
 	if currentClient != nil && currentClient != client && session != nil {
 		// these conditions forbid reattaching to an existing session:
-		if client.Registered() || !bouncerAllowed || account == "" || account != currentClient.Account() || client.isTor != currentClient.isTor || client.HasMode(modes.TLS) != currentClient.HasMode(modes.TLS) {
+		if client.Registered() || !bouncerAllowed || account == "" || account != currentClient.Account() || client.HasMode(modes.TLS) != currentClient.HasMode(modes.TLS) {
 			return errNicknameInUse
 		}
 		if !currentClient.AddSession(session) {