diff --git a/plugins/UltimakerMachineActions/UMOUpgradeSelection.py b/plugins/UltimakerMachineActions/UMOUpgradeSelection.py
index 07f193e53f..70a9d3fa0e 100644
--- a/plugins/UltimakerMachineActions/UMOUpgradeSelection.py
+++ b/plugins/UltimakerMachineActions/UMOUpgradeSelection.py
@@ -52,6 +52,6 @@ class UMOUpgradeSelection(MachineAction):
         definition_changes_container.addMetaDataEntry("setting_version", CuraApplication.SettingVersion)
 
         UM.Settings.ContainerRegistry.ContainerRegistry.getInstance().addContainer(definition_changes_container)
-        container_stack.definitionChanges = definition_changes_container
+        global_container_stack.definitionChanges = definition_changes_container
 
         return definition_changes_container