diff --git a/plugins/UFPWriter/UFPWriter.py b/plugins/UFPWriter/UFPWriter.py
index fd51d7645c..689e696839 100644
--- a/plugins/UFPWriter/UFPWriter.py
+++ b/plugins/UFPWriter/UFPWriter.py
@@ -1,15 +1,16 @@
 #Copyright (c) 2018 Ultimaker B.V.
 #Cura is released under the terms of the LGPLv3 or higher.
 
-import charon
+from charon.VirtualFile import VirtualFile #To open UFP files.
+from charon.OpenMode import OpenMode #To indicate that we want to write to UFP files.
 
 from UM.Mesh.MeshWriter import MeshWriter #The writer we need to implement.
 from UM.PluginRegistry import PluginRegistry #To get the g-code writer.
 
 class UFPWriter(MeshWriter):
     def write(self, stream, nodes, mode = MeshWriter.OutputMode.BinaryMode):
-        archive = charon.VirtualFile()
-        archive.open(stream, charon.OpenMode.WriteOnly)
+        archive = VirtualFile()
+        archive.open(stream, OpenMode.WriteOnly)
 
         #Store the g-code from the scene.
         archive.addContentType(extension = "gcode", mime_type = "text/x-gcode")