From 556431b984616ebfed89f43ea0975e58081d7f70 Mon Sep 17 00:00:00 2001
From: fieldOfView <aldo@fieldofview.com>
Date: Mon, 3 Oct 2016 22:40:28 +0200
Subject: [PATCH] Fix error when no machine is selected

---
 cura/Settings/MachineManager.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 1803a59d00..7bcf155e06 100644
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -461,7 +461,7 @@ class MachineManager(QObject):
 
     @pyqtProperty(str, notify=activeQualityChanged)
     def activeQualityName(self):
-        if self._active_container_stack:
+        if self._active_container_stack and self._global_container_stack:
             quality = self._global_container_stack.findContainer({"type": "quality_changes"})
             if quality and quality != self._empty_quality_changes_container:
                 return quality.getName()