diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index b345649052..7bbbd868f4 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -1024,11 +1024,11 @@ class MachineManager(QObject):
             })
 
         # append the global quality changes
-        global_quality = quality_manager.findQualityByQualityType(quality_type, global_machine_definition, [material], global_quality = True)
+        global_quality = quality_manager.findQualityByQualityType(quality_type, global_machine_definition, [material], global_quality = "True")
 
         # if there is not global quality but we're using a single extrusion machine, copy the quality of the first extruder - CURA-4482
         if not global_quality and len(extruder_stacks) == 1:
-            global_quality = result[0]["quality_changes"]
+            global_quality = result[0]["quality"]
 
         # if still no global quality changes are found we set it to empty (not supported)
         if not global_quality: