diff --git a/applets/devicenotifier/package/contents/ui/DeviceItem.qml b/applets/devicenotifier/package/contents/ui/DeviceItem.qml
--- a/applets/devicenotifier/package/contents/ui/DeviceItem.qml
+++ b/applets/devicenotifier/package/contents/ui/DeviceItem.qml
@@ -36,6 +36,7 @@
     property int state
 
     property bool mounted
+    property bool isRoot
     property bool expanded: devicenotifier.expandedDevice == udi
     property alias percentUsage: freeSpaceBar.value
     property string freeSpaceText
@@ -304,6 +305,7 @@
             PlasmaComponents.ToolButton {
                 id: actionButton
                 visible: !busyIndicator.visible && deviceItem.actionVisible
+                enabled: !isRoot
                 onClicked: actionTriggered()
                 y: mounted ? deviceLabel.height + (freeSpaceBar.height - height - units.smallSpacing) / 2 : (deviceLabel.height + actionMessage.height - height) / 2
             }
diff --git a/applets/devicenotifier/package/contents/ui/FullRepresentation.qml b/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
--- a/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
+++ b/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
@@ -168,6 +168,7 @@
             }
             emblemIcon: Emblems && Emblems[0] ? Emblems[0] : ""
             state: sdSource.data[udi] ? sdSource.data[udi].State : 0
+            isRoot: sdSource.data[udi]["File Path"] == "/"
 
             percentUsage: {
                 if (!sdSource.data[udi]) {