diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index aaf9500eba..b560d5ec5e 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -602,6 +602,7 @@ class MachineManager(QObject):
     #
     #   \return The material ids in all stacks
     @pyqtProperty("QVariantMap", notify = activeMaterialChanged)
+    @deprecated("use Cura.MachineManager.activeStack.extruders instead.", "4.3")
     def allActiveMaterialIds(self) -> Dict[str, str]:
         result = {}
 
diff --git a/resources/qml/Menus/MaterialMenu.qml b/resources/qml/Menus/MaterialMenu.qml
index ba35a160ba..1f85fa33ff 100644
--- a/resources/qml/Menus/MaterialMenu.qml
+++ b/resources/qml/Menus/MaterialMenu.qml
@@ -14,7 +14,8 @@ Menu
 
     property int extruderIndex: 0
     property string currentRootMaterialId: Cura.MachineManager.currentRootMaterialId[extruderIndex]
-    property string activeMaterialId: Cura.MachineManager.allActiveMaterialIds[Cura.ExtruderManager.extruderIds[extruderIndex]]
+
+    property string activeMaterialId: Cura.MachineManager.activeMachine.extruders[extruderIndex].material.id
     property bool updateModels: true
     Cura.FavoriteMaterialsModel
     {