diff --git a/layers.cpp b/layers.cpp
index e583c9f414..c676845fef 100644
--- a/layers.cpp
+++ b/layers.cpp
@@ -662,7 +662,8 @@ void Client::setKeepAbove( bool b )
         }
     keep_above = b;
     info->setState( keepAbove() ? NET::KeepAbove : 0, NET::KeepAbove );
-    // TODO emit a signal about the change to the style plugin
+    if( decoration != NULL )
+        decoration->emitKeepAboveChanged( keepAbove());
     workspace()->updateClientLayer( this );
     updateWindowRules();
     }
@@ -681,6 +682,8 @@ void Client::setKeepBelow( bool b )
         }
     keep_below = b;
     info->setState( keepBelow() ? NET::KeepBelow : 0, NET::KeepBelow );
+    if( decoration != NULL )
+        decoration->emitKeepBelowChanged( keepBelow());
     workspace()->updateClientLayer( this );
     updateWindowRules();
     }
diff --git a/lib/kdecoration.h b/lib/kdecoration.h
index b0f157916f..5898940525 100644
--- a/lib/kdecoration.h
+++ b/lib/kdecoration.h
@@ -577,6 +577,21 @@ class KDecoration
 	 * isShade() to get the current state.
 	 */
         virtual void shadeChange() = 0;
+#if KDE_IS_VERSION( 3, 90, 0 )
+#warning Redo all the XYZChange() virtuals as signals.
+#endif
+    signals:
+        /**
+         * This signal is emitted whenever the window's keep-above state changes.
+         * @since 3.3
+         */
+        void keepAboveChanged( bool );
+        /**
+         * This signal is emitted whenever the window's keep-below state changes.
+         * @since 3.3
+         */
+        void keepBelowChanged( bool );
+    public:
 	/**
 	 * This function may be reimplemented to provide custom bound drawing
 	 * for transparent moving or resizing of the window.
@@ -748,6 +763,14 @@ class KDecoration
 	 * @param set Whether to keep the window below others
 	 */
         void setKeepBelow( bool set );
+        /**
+         * @internal
+         */
+        void emitKeepAboveChanged( bool above ) { emit keepAboveChanged( above ); }
+        /**
+         * @internal
+         */
+        void emitKeepBelowChanged( bool below ) { emit keepBelowChanged( below ); }
     private:
 	KDecorationBridge* bridge_;
 	QWidget* w_;