diff --git a/resources/qml/Sidebar.qml b/resources/qml/Sidebar.qml
index ce13a5eddf..b5a52e1341 100755
--- a/resources/qml/Sidebar.qml
+++ b/resources/qml/Sidebar.qml
@@ -168,7 +168,7 @@ Rectangle
 
                 style: ButtonStyle {
                     background: Rectangle {
-                        border.width: UM.Theme.getSize("default_lining").width
+                        border.width: control.checked ? UM.Theme.getSize("default_lining").width * 2 : UM.Theme.getSize("default_lining").width
                         border.color: (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active_border") :
                                           control.hovered ? UM.Theme.getColor("action_button_hovered_border") :
                                           UM.Theme.getColor("action_button_border")
diff --git a/resources/qml/SidebarHeader.qml b/resources/qml/SidebarHeader.qml
index d42fc8b262..e2d1ef9559 100644
--- a/resources/qml/SidebarHeader.qml
+++ b/resources/qml/SidebarHeader.qml
@@ -122,7 +122,7 @@ Column
                         Rectangle
                         {
                             anchors.fill: parent
-                            border.width: UM.Theme.getSize("default_lining").width
+                            border.width: control.checked ? UM.Theme.getSize("default_lining").width * 2 : UM.Theme.getSize("default_lining").width
                             border.color: (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active_border") :
                                           control.hovered ? UM.Theme.getColor("action_button_hovered_border") :
                                           UM.Theme.getColor("action_button_border")