diff --git a/plugins/VersionUpgrade/VersionUpgrade41to42/VersionUpgrade41to42.py b/plugins/VersionUpgrade/VersionUpgrade41to42/VersionUpgrade41to42.py
index b70d5190eb..1151d7101a 100644
--- a/plugins/VersionUpgrade/VersionUpgrade41to42/VersionUpgrade41to42.py
+++ b/plugins/VersionUpgrade/VersionUpgrade41to42/VersionUpgrade41to42.py
@@ -327,7 +327,7 @@ class VersionUpgrade41to42(VersionUpgrade):
             if material_id in _creality_quality_per_material and old_quality_id in _creality_quality_per_material[material_id]:
                 if definition_id == "creality_cr10_extruder_0":  # We can't disambiguate between Creality CR-10 and Creality-CR10S since they share the same extruder definition. Have to go by the name.
                     if "cr-10s" in parser["metadata"].get("machine", "Creality CR-10").lower():  # Not perfect, since the user can change this name :(
-                parser["containers"]["2"] = _creality_quality_per_material[material_id][old_quality_id]
+                        parser["containers"]["2"] = _creality_quality_per_material[material_id][old_quality_id]
 
             stack_copy = {}  # type: Dict[str, str]  # Make a copy so that we don't modify the dict we're iterating over.
             stack_copy.update(parser["containers"])