diff --git a/desktopchangeosd.cpp b/desktopchangeosd.cpp
index 54b45b66f2..77c60ed022 100644
--- a/desktopchangeosd.cpp
+++ b/desktopchangeosd.cpp
@@ -300,7 +300,18 @@ void DesktopChangeOSD::resize()
     setGeometry( rect );
     m_scene->setSceneRect( 0, 0, width, height );
     m_frame.resizeFrame( QSize( width, height ) );
-    setMask( m_frame.mask() );
+
+    if (Plasma::Theme::defaultTheme()->windowTranslucencyEnabled())
+        {
+        // blur background
+        Plasma::WindowEffects::enableBlurBehind(winId(), true, m_frame.mask());
+        Plasma::WindowEffects::overrideShadow(winId(), true);
+        }
+    else
+        {
+        // do not trim to mask with compositing enabled, otherwise shadows are cropped
+        setMask( m_frame.mask() );
+        }
 
     // resize item frame
     m_item_frame.setElementPrefix( "normal" );
diff --git a/desktopchangeosd.h b/desktopchangeosd.h
index 16c97c557b..6d8885c6b6 100644
--- a/desktopchangeosd.h
+++ b/desktopchangeosd.h
@@ -25,6 +25,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QGraphicsItem>
 #include <QTimer>
 #include <KDE/Plasma/FrameSvg>
+#include <KDE/Plasma/Theme>
+#include <KDE/Plasma/WindowEffects>
 #include <QWeakPointer>
 
 class QGraphicsScene;