diff --git a/clients/laptop/laptopclient.cpp b/clients/laptop/laptopclient.cpp
index b0e8c990ad..a55fe49186 100644
--- a/clients/laptop/laptopclient.cpp
+++ b/clients/laptop/laptopclient.cpp
@@ -468,6 +468,13 @@ void LaptopClient::init()
     KCommonDecoration::init();
 }
 
+void LaptopClient::captionChange()
+{
+    bufferDirty = true;
+
+    KCommonDecoration::captionChange();
+}
+
 void LaptopClient::paintEvent( QPaintEvent* )
 {
     QPainter p(widget());
diff --git a/clients/laptop/laptopclient.h b/clients/laptop/laptopclient.h
index 2ebaa19bac..66195bb3ab 100644
--- a/clients/laptop/laptopclient.h
+++ b/clients/laptop/laptopclient.h
@@ -49,6 +49,7 @@ protected:
     void paintEvent( QPaintEvent* );
     void reset( unsigned long );
     void updateActiveBuffer();
+    void captionChange();
 private:
     bool mustDrawHandle() const;
     bool isTransient() const;