1 files changed, 2 insertions, 0 deletions

diff --git a/core/applets/volumeapplet/volumeappletimpl.cpp b/core/applets/volumeapplet/volumeappletimpl.cpp
index 47506cc..80b3e74 100644
--- a/core/applets/volumeapplet/volumeappletimpl.cpp
+++ b/core/applets/volumeapplet/volumeappletimpl.cpp
@@ -30,36 +30,38 @@ VolumeAppletImpl::VolumeAppletImpl()
 VolumeAppletImpl::~VolumeAppletImpl()
 {
         delete volume;
 }
 
 QWidget *VolumeAppletImpl::applet( QWidget *parent )
 {
         if ( !volume )
                 volume = new VolumeApplet( parent );
         return volume;
 }
 
 int VolumeAppletImpl::position() const
 {
         return 6;
 }
 
 QRESULT VolumeAppletImpl::queryInterface( const QUuid &uuid, QUnknownInterface **iface )
 {
         *iface = 0;
         if ( uuid == IID_QUnknown )
                 *iface = this;
         else if ( uuid == IID_TaskbarApplet )
                 *iface = this;
+        else
+            return QS_FALSE;
 
         if ( *iface )
                 (*iface)->addRef();
         return QS_OK;
 }
 
 Q_EXPORT_INTERFACE()
 {
     Q_CREATE_INSTANCE( VolumeAppletImpl )
 }