diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index ff585deb54..f945cbb30c 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -1455,9 +1455,13 @@ class MachineManager(QObject):
             if quality_group.node_for_global is None:
                 Logger.log("e", "Could not set quality group [%s] because it has no node_for_global", str(quality_group))
                 return
+            # This is not changing the quality for the active machine !!!!!!!!
             global_stack.quality = quality_group.node_for_global.getContainer()
             for extruder_nr, extruder_stack in global_stack.extruders.items():
-                extruder_stack.quality = quality_group.nodes_for_extruders[extruder_nr].getContainer()
+                quality_container = self._empty_quality_container
+                if extruder_nr in quality_group.nodes_for_extruders:
+                    quality_container = quality_group.nodes_for_extruders[extruder_nr].getContainer()
+                extruder_stack.quality = quality_container
             return
 
         self.blurSettings.emit()