diff --git a/plugins/3MFReader/ThreeMFWorkspaceReader.py b/plugins/3MFReader/ThreeMFWorkspaceReader.py
index 3c096318b5..c8f7bc8abd 100755
--- a/plugins/3MFReader/ThreeMFWorkspaceReader.py
+++ b/plugins/3MFReader/ThreeMFWorkspaceReader.py
@@ -1253,12 +1253,12 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
     @staticmethod
     def _parse_packages_metadata(archive: zipfile.ZipFile) -> List[Dict[str, str]]:
         try:
-            package_metadata = json.loads(archive.open("Metadata/packages.json").read().decode("utf-8"))
+            package_metadata = json.loads(archive.open("Cura/packages.json").read().decode("utf-8"))
             return package_metadata["packages"]
         except KeyError:
             Logger.warning("No package metadata was found in .3mf file.")
         except Exception:
-            Logger.error("Failed to load packes metadata from .3mf file")
+            Logger.error("Failed to load packages metadata from .3mf file.")
 
         return []
 
diff --git a/plugins/3MFWriter/ThreeMFWriter.py b/plugins/3MFWriter/ThreeMFWriter.py
index d17218c578..c507703823 100644
--- a/plugins/3MFWriter/ThreeMFWriter.py
+++ b/plugins/3MFWriter/ThreeMFWriter.py
@@ -41,7 +41,7 @@ catalog = i18nCatalog("cura")
 
 THUMBNAIL_PATH = "Metadata/thumbnail.png"
 MODEL_PATH = "3D/3dmodel.model"
-PACKAGE_METADATA_PATH = "Metadata/packages.json"
+PACKAGE_METADATA_PATH = "Cura/packages.json"
 
 class ThreeMFWriter(MeshWriter):
     def __init__(self):