diff --git a/resources/qml/SidebarSimple.qml b/resources/qml/SidebarSimple.qml
index 8baba3f282..0509697530 100644
--- a/resources/qml/SidebarSimple.qml
+++ b/resources/qml/SidebarSimple.qml
@@ -485,7 +485,7 @@ Item
                             visible: infillIconList.activeIndex == index
 
                             border.width: UM.Theme.getSize("default_lining").width
-                            border.color: UM.Theme.getColor("quality_slider_available")
+                            border.color: UM.Theme.getColor("quality_slider_unavailable")
 
                             UM.RecolorImage {
                                 anchors.fill: parent