3 files changed, 7 insertions, 2 deletions

diff --git a/noncore/applets/autorotateapplet/autorotateimpl.cpp b/noncore/applets/autorotateapplet/autorotateimpl.cpp
index 01d8a01..1b15c6d 100644
--- a/noncore/applets/autorotateapplet/autorotateimpl.cpp
+++ b/noncore/applets/autorotateapplet/autorotateimpl.cpp
@@ -15,27 +15,28 @@ QWidget *AutoRotateImpl::applet( QWidget *parent ) {
     if ( !autoRotate ) {
         autoRotate = new AutoRotate( parent );
     }
     return autoRotate;
 }
 
 int AutoRotateImpl::position() const {
     return 7;
 }
 
 QRESULT AutoRotateImpl::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( AutoRotateImpl )
 }
diff --git a/noncore/applets/notesapplet/notesappletimpl.cpp b/noncore/applets/notesapplet/notesappletimpl.cpp
index 0526bad..93de433 100644
--- a/noncore/applets/notesapplet/notesappletimpl.cpp
+++ b/noncore/applets/notesapplet/notesappletimpl.cpp
@@ -25,27 +25,29 @@ NotesAppletImpl::~NotesAppletImpl() {
 QWidget *NotesAppletImpl::applet( QWidget *parent ) {
     if ( !notes )
   notes = new NotesApplet( parent );
     return notes;
 }
 
 int NotesAppletImpl::position() const {
     return 6;
 }
 
 QRESULT NotesAppletImpl::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( NotesAppletImpl )
 }
 
 
diff --git a/noncore/applets/wirelessapplet/wirelessappletimpl.cpp b/noncore/applets/wirelessapplet/wirelessappletimpl.cpp
index eb00459..8b7afcf 100644
--- a/noncore/applets/wirelessapplet/wirelessappletimpl.cpp
+++ b/noncore/applets/wirelessapplet/wirelessappletimpl.cpp
@@ -37,28 +37,30 @@ QWidget *WirelessAppletImpl::applet( QWidget *parent )
   wireless = new WirelessApplet( parent );
     return wireless;
 }
 
 int WirelessAppletImpl::position() const
 {
     return 6;
 }
 
 QRESULT WirelessAppletImpl::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( WirelessAppletImpl )
 }