diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 7953db8f76..1934befd66 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -738,8 +738,9 @@ class MachineManager(QObject):
         containers = CuraContainerRegistry.getInstance().findInstanceContainersMetadata(type = "user", machine = machine_id)
         for container in containers:
             CuraContainerRegistry.getInstance().removeContainer(container["id"])
-        machine_stack = CuraContainerRegistry.getInstance().findContainerStacks(type = "machine", name = machine_id)[0]
-        CuraContainerRegistry.getInstance().removeContainer(machine_stack.definitionChanges.getId())
+        machine_stacks = CuraContainerRegistry.getInstance().findContainerStacks(type = "machine", name = machine_id)
+        if machine_stacks:
+            CuraContainerRegistry.getInstance().removeContainer(machine_stacks[0].definitionChanges.getId())
         CuraContainerRegistry.getInstance().removeContainer(machine_id)
 
         # If the printer that is being removed is a network printer, the hidden printers have to be also removed