diff --git a/resources/qml/Preferences/Materials/MaterialsPage.qml b/resources/qml/Preferences/Materials/MaterialsPage.qml
index a00a2340cd..18e1adf381 100644
--- a/resources/qml/Preferences/Materials/MaterialsPage.qml
+++ b/resources/qml/Preferences/Materials/MaterialsPage.qml
@@ -83,7 +83,7 @@ Item
         {
             text: catalog.i18nc("@action:button", "Activate")
             iconName: "list-activate"
-            enabled: !isCurrentItemActivated
+            enabled: !isCurrentItemActivated && Cura.MachineManager.hasMaterials()
             onClicked:
             {
                 forceActiveFocus()