diff --git a/effects/diminactive/diminactive.cpp b/effects/diminactive/diminactive.cpp
index 51368ed0c1..ce851ee133 100644
--- a/effects/diminactive/diminactive.cpp
+++ b/effects/diminactive/diminactive.cpp
@@ -42,6 +42,7 @@ void DimInactiveEffect::reconfigure( ReconfigureFlags )
     KConfigGroup conf = EffectsHandler::effectConfig("DimInactive");
     dim_panels = conf.readEntry("DimPanels", false);
     dim_desktop = conf.readEntry("DimDesktop", false);
+    dim_keepabove = conf.readEntry("DimKeepAbove", false);
     dim_by_group = conf.readEntry("DimByGroup", true);
     dim_strength = conf.readEntry("Strength", 25);
     }
@@ -88,6 +89,8 @@ bool DimInactiveEffect::dimWindow( const EffectWindow* w ) const
         return false; // don't dim panels if configured so
     if( w->isDesktop() && !dim_desktop )
         return false; // don't dim the desktop if configured so
+    if( w->keepAbove() && !dim_keepabove )
+        return false; // don't dim keep-above windows if configured so
     if( !w->isNormalWindow() && !w->isDialog() && !w->isDock() && !w->isDesktop())
         return false; // don't dim more special window types
     // don't dim unmanaged windows, grouping doesn't work for them and maybe dimming
diff --git a/effects/diminactive/diminactive.h b/effects/diminactive/diminactive.h
index ff3915c451..d5be4f2464 100644
--- a/effects/diminactive/diminactive.h
+++ b/effects/diminactive/diminactive.h
@@ -48,6 +48,7 @@ class DimInactiveEffect
         int dim_strength; // reduce saturation and brightness by this percentage
         bool dim_panels; // do/don't dim also all panels
         bool dim_desktop; // do/don't dim the desktop
+        bool dim_keepabove; // do/don't dim keep-above windows
         bool dim_by_group; // keep visible all windows from the active window's group or only the active window
     };
 
diff --git a/effects/diminactive/diminactive_config.cpp b/effects/diminactive/diminactive_config.cpp
index e3045ecda5..011998fb1c 100644
--- a/effects/diminactive/diminactive_config.cpp
+++ b/effects/diminactive/diminactive_config.cpp
@@ -53,6 +53,7 @@ DimInactiveEffectConfig::DimInactiveEffectConfig(QWidget* parent, const QVariant
     connect(m_ui->spinStrength, SIGNAL(valueChanged(int)), this, SLOT(changed()));
     connect(m_ui->checkPanel, SIGNAL(toggled(bool)), this, SLOT(changed()));
     connect(m_ui->checkDesktop, SIGNAL(toggled(bool)), this, SLOT(changed()));
+    connect(m_ui->checkKeepAbove, SIGNAL(toggled(bool)), this, SLOT(changed()));
     connect(m_ui->checkGroup, SIGNAL(toggled(bool)), this, SLOT(changed()));
 
     load();
@@ -67,10 +68,12 @@ void DimInactiveEffectConfig::load()
     int strength = conf.readEntry("Strength", 25);
     bool panel = conf.readEntry("DimPanels", false);
     bool desktop = conf.readEntry("DimDesktop", false);
+    bool keepabove = conf.readEntry("DimKeepAbove", false);
     bool group = conf.readEntry("DimByGroup", true);
     m_ui->spinStrength->setValue(strength);
     m_ui->checkPanel->setChecked(panel);
     m_ui->checkDesktop->setChecked(desktop);
+    m_ui->checkKeepAbove->setChecked(keepabove);
     m_ui->checkGroup->setChecked(group);
 
     emit changed(false);
@@ -83,6 +86,7 @@ void DimInactiveEffectConfig::save()
     conf.writeEntry("Strength", m_ui->spinStrength->value());
     conf.writeEntry("DimPanels", m_ui->checkPanel->isChecked());
     conf.writeEntry("DimDesktop", m_ui->checkDesktop->isChecked());
+    conf.writeEntry("DimKeepAbove", m_ui->checkKeepAbove->isChecked());
     conf.writeEntry("DimByGroup", m_ui->checkGroup->isChecked());
 
     conf.sync();
@@ -97,6 +101,7 @@ void DimInactiveEffectConfig::defaults()
     m_ui->spinStrength->setValue(25);
     m_ui->checkPanel->setChecked(false);
     m_ui->checkDesktop->setChecked(false);
+    m_ui->checkKeepAbove->setChecked(false);
     m_ui->checkGroup->setChecked(true);
     emit changed(true);
     }
diff --git a/effects/diminactive/diminactive_config.ui b/effects/diminactive/diminactive_config.ui
index a233da80d5..dae6075009 100644
--- a/effects/diminactive/diminactive_config.ui
+++ b/effects/diminactive/diminactive_config.ui
@@ -25,6 +25,13 @@
     </widget>
    </item>
    <item row="3" column="0" colspan="3" >
+    <widget class="QCheckBox" name="checkKeepAbove" >
+     <property name="text" >
+      <string>Apply effect to &amp;keep-above windows</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="0" colspan="3" >
     <widget class="QCheckBox" name="checkGroup" >
      <property name="text" >
       <string>Apply effect to &amp;groups</string>
@@ -76,7 +83,7 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="0" colspan="3" >
+   <item row="5" column="0" colspan="3" >
     <spacer name="verticalSpacer" >
      <property name="orientation" >
       <enum>Qt::Vertical</enum>