diff --git a/containments/panel/package/contents/ui/quicksettings/QuickSettings.qml b/containments/panel/package/contents/ui/quicksettings/QuickSettings.qml
index 5e7562f6..593b8d8c 100644
--- a/containments/panel/package/contents/ui/quicksettings/QuickSettings.qml
+++ b/containments/panel/package/contents/ui/quicksettings/QuickSettings.qml
@@ -54,14 +54,17 @@ Item {
     Layout.minimumHeight: flow.implicitHeight + units.largeSpacing*2
 
     property int screenBrightness
+    property bool disableBrightnessUpdate: true
     readonly property int maximumScreenBrightness: pmSource.data["PowerDevil"] ? pmSource.data["PowerDevil"]["Maximum Screen Brightness"] || 0 : 0
 
     onScreenBrightnessChanged: {
-        var service = pmSource.serviceForSource("PowerDevil");
-        var operation = service.operationDescription("setBrightness");
-        operation.brightness = screenBrightness;
-        operation.silent = true
-        service.startOperationCall(operation);
+        if(!disableBrightnessUpdate) {
+            var service = pmSource.serviceForSource("PowerDevil");
+            var operation = service.operationDescription("setBrightness");
+            operation.brightness = screenBrightness;
+            operation.silent = true
+            service.startOperationCall(operation);
+        }
     }
 
     PlasmaCore.DataSource {
@@ -75,7 +78,9 @@ Item {
             }
         }
         onDataChanged: {
+            disableBrightnessUpdate = true;
             root.screenBrightness = pmSource.data["PowerDevil"]["Screen Brightness"];
+            disableBrightnessUpdate = false;
         }
     }
     //HACK: make the list know about the applet delegate which is a qtobject
@@ -125,6 +130,7 @@ Item {
         brightnessSlider.moved.connect(function() {
             root.screenBrightness = brightnessSlider.value;
         });
+        disableBrightnessUpdate = false;
     }
 
     ListModel {