diff --git a/cura/QualityManager.py b/cura/QualityManager.py
index 8fba30838d..e33398fc35 100644
--- a/cura/QualityManager.py
+++ b/cura/QualityManager.py
@@ -63,9 +63,9 @@ class QualityManager:
         # Fill in any default values.
         if machine_definition is None:
             machine_definition = UM.Application.getInstance().getGlobalContainerStack().getBottom()
-            quality_definition = machine_definition.getMetaDataEntry("quality_definition")
-            if quality_definition is not None:
-                machine_definition = UM.Settings.ContainerRegistry.getInstance().findDefinitionContainers(id=quality_definition)[0]
+            quality_definition_id = machine_definition.getMetaDataEntry("quality_definition")
+            if quality_definition_id is not None:
+                machine_definition = UM.Settings.ContainerRegistry.getInstance().findDefinitionContainers(id=quality_definition_id)[0]
 
         if material_containers is None:
             active_stacks = cura.Settings.ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks()
@@ -81,6 +81,8 @@ class QualityManager:
             criteria["definition"] = definition_id
 
             filter_by_material = whole_machine_definition.getMetaDataEntry("has_materials")
+        else:
+            criteria["definition"] = "fdmprinter"
 
         # Stick the material IDs in a set
         if material_containers is None or len(material_containers) == 0: