diff --git a/applet/contents/ui/DeviceListItem.qml b/applet/contents/ui/DeviceListItem.qml
index 3b903ea..90082cd 100644
--- a/applet/contents/ui/DeviceListItem.qml
+++ b/applet/contents/ui/DeviceListItem.qml
@@ -1,82 +1,82 @@
 /*
     Copyright 2014-2015 Harald Sitter <sitter@kde.org>
 
     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License as
     published by the Free Software Foundation; either version 2 of
     the License or (at your option) version 3 or any later version
     accepted by the membership of KDE e.V. (or its successor approved
     by the membership of KDE e.V.), which shall act as a proxy
     defined in Section 14 of version 3 of the license.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 import QtQuick 2.0
 
 import org.kde.plasma.private.volume 0.1
 
 import "../code/icon.js" as Icon
 
 ListItemBase {
     readonly property var currentPort: Ports[ActivePortIndex]
     readonly property var currentActivePortIndex: ActivePortIndex
     readonly property var currentMuted: Muted
     readonly property var activePortIndex: ActivePortIndex
 
     draggable: false
     label: {
-        if (currentPort) {
+        if (currentPort && currentPort.description) {
             var model = type === "sink" ? paSinkModel : paSourceModel;
             var itemLength = currentPort.description.length;
             for (var i = 0; i < model.rowCount(); i++) {
                 if (i !== index) {
                     var port  = model.data(model.index(i, 0), model.role("Ports"))
                                 [model.data(model.index(i, 0), model.role("ActivePortIndex"))];
                     if (port && port.description) {
                         var length = Math.min(itemLength, port.description.length)
                         if (currentPort.description.substring(0, length) === port.description.substring(0, length)) {
                             return i18nc("label of device items", "%1 (%2)", currentPort.description, Description);
                         }
                     }
                 }
             }
             return currentPort.description;
         } else {
             return Description;
         }
     }
 
     onCurrentActivePortIndexChanged: {
         if (type === "sink" && globalMute && !Muted) {
             Muted = true;
         }
     }
 
     onCurrentMutedChanged: {
         if (type === "sink" && globalMute && !Muted) {
             plasmoid.configuration.globalMuteDevices = [];
             plasmoid.configuration.globalMute = false;
             globalMute = false;
         }
     }
 
     // Prevent an unavailable port selection. UI allows selection of an unavailable port, until it gets refresh,
     // because there is no call from pulseaudio for availability change.
     onActivePortIndexChanged: {
-        if (currentPort.availability === Port.Unavailable) {
+        if (currentPort && currentPort.availability === Port.Unavailable) {
             for (var i = 0; i < Ports.length; i++) {
                 if (Ports[i].availability === Port.Available) {
                     ActivePortIndex = i;
                     return
                 }
             }
         }
     }
 }