diff --git a/containments/panel/contents/ui/ConfigOverlay.qml b/containments/panel/contents/ui/ConfigOverlay.qml
--- a/containments/panel/contents/ui/ConfigOverlay.qml
+++ b/containments/panel/contents/ui/ConfigOverlay.qml
@@ -28,11 +28,7 @@
 
     z: 1000
 
-    anchors {
-        fill: parent
-        rightMargin: (plasmoid.formFactor !== PlasmaCore.Types.Vertical) ? toolBox.width : 0
-        bottomMargin: (plasmoid.formFactor === PlasmaCore.Types.Vertical) ? toolBox.height : 0
-    }
+    anchors.fill: currentLayout
 
     hoverEnabled: true
 
@@ -205,7 +201,7 @@
         placeHolder.width = currentApplet.width;
         placeHolder.height = currentApplet.height;
         root.layoutManager.insertBefore(currentApplet, placeHolder);
-        currentApplet.parent = root;
+        currentApplet.parent = moveAppletLayer;
         currentApplet.z = 900;
     }
 
@@ -365,6 +361,10 @@
             hoverEnabled: true
             onEntered: hideTimer.stop();
             onExited:  hideTimer.restart();
+
+            LayoutMirroring.enabled: Qt.application.layoutDirection === Qt.RightToLeft
+            LayoutMirroring.childrenInherit: true
+
             Row {
                 id: handleRow
                 anchors.horizontalCenter: parent.horizontalCenter
diff --git a/containments/panel/contents/ui/main.qml b/containments/panel/contents/ui/main.qml
--- a/containments/panel/contents/ui/main.qml
+++ b/containments/panel/contents/ui/main.qml
@@ -386,6 +386,14 @@
         height: (plasmoid.formFactor == PlasmaCore.Types.Vertical) ?  theme.mSize(theme.defaultFont).width * 10 : currentLayout.height
     }
 
+    // while the user is moving the applet when configuring the panel, the applet is reparented
+    // here so it can be moved freely; previously it was reparented to "root" but this one does not
+    // take into account the toolbox (which is left-of) the layout in right-to-left languages
+    Item {
+        id: moveAppletLayer
+        anchors.fill: currentLayout
+    }
+
     GridLayout {
         id: currentLayout
         property bool isLayoutHorizontal