diff --git a/proxyface/proxy.hxx b/proxyface/proxy.hxx
index 14f9210..050552c 100644
--- a/proxyface/proxy.hxx
+++ b/proxyface/proxy.hxx
@@ -65,7 +65,10 @@ namespace gui {
           case 0: try {
             _url->setEnabled(false);
             _port->setEnabled(false);
+            _url->setText("");
+            _port->setValue(0);
             type=QNetworkProxy::NoProxy;
+            QNetworkProxy::setApplicationProxy(QNetworkProxy(type));
             _auto.proxy(_testUrl);
           } catch (...) {} break;
           case 1: {