diff --git a/effects/slide.cpp b/effects/slide.cpp
index 65132367c3..e06fc0d7e2 100644
--- a/effects/slide.cpp
+++ b/effects/slide.cpp
@@ -32,6 +32,11 @@ SlideEffect::SlideEffect()
     : slide( false )
     {
     mTimeLine.setCurveShape(TimeLine::EaseInOutCurve);
+    reconfigure( ReconfigureAll );
+    }
+
+void SlideEffect::reconfigure( ReconfigureFlags )
+    {
     mTimeLine.setDuration( animationTime( 250 ));
     }
 
diff --git a/effects/slide.h b/effects/slide.h
index 7ad68382bf..c1e60cbdb1 100644
--- a/effects/slide.h
+++ b/effects/slide.h
@@ -34,6 +34,7 @@ class SlideEffect
     Q_OBJECT
     public:
         SlideEffect();
+        virtual void reconfigure( ReconfigureFlags );
         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
         virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
         virtual void postPaintScreen();