diff --git a/cura/MachineManagerModel.py b/cura/MachineManagerModel.py
index 46425ba55e..2ef9932d24 100644
--- a/cura/MachineManagerModel.py
+++ b/cura/MachineManagerModel.py
@@ -446,7 +446,7 @@ class MachineManagerModel(QObject):
 
     @pyqtProperty(str, notify = globalContainerChanged)
     def activeDefinitionId(self):
-        if self._active_container_stack:
+        if self._global_container_stack:
             definition = self._global_container_stack.getBottom()
             if definition:
                 return definition.id
@@ -480,14 +480,14 @@ class MachineManagerModel(QObject):
 
     @pyqtProperty(bool, notify = globalContainerChanged)
     def hasMaterials(self):
-        if self._active_container_stack:
+        if self._global_container_stack:
             return bool(self._global_container_stack.getMetaDataEntry("has_materials", False))
 
         return False
 
     @pyqtProperty(bool, notify = globalContainerChanged)
     def hasVariants(self):
-        if self._active_container_stack:
+        if self._global_container_stack:
             return bool(self._global_container_stack.getMetaDataEntry("has_variants", False))
 
         return False