diff --git a/tabbox/qml/clients/sidebar/contents/ui/main.qml b/tabbox/qml/clients/sidebar/contents/ui/main.qml
index 85e0169475..f8415d63b2 100644
--- a/tabbox/qml/clients/sidebar/contents/ui/main.qml
+++ b/tabbox/qml/clients/sidebar/contents/ui/main.qml
@@ -29,6 +29,7 @@ import org.kde.kwin 2.0 as KWin
 KWin.Switcher {
     id: tabBox
     property real screenFactor: screenGeometry.width/screenGeometry.height
+    currentIndex: thumbnailListView.currentIndex
 
     // just to get the margin sizes
     PlasmaCore.FrameSvgItem {