diff --git a/cura/Settings/ExtruderStack.py b/cura/Settings/ExtruderStack.py
index a85140065e..2a481863e1 100644
--- a/cura/Settings/ExtruderStack.py
+++ b/cura/Settings/ExtruderStack.py
@@ -15,6 +15,7 @@ from UM.Settings.Interfaces import ContainerInterface
 
 from . import Exceptions
 from .CuraContainerStack import CuraContainerStack
+from .ExtruderManager import ExtruderManager
 
 ##  Represents an Extruder and its related containers.
 #
@@ -37,6 +38,9 @@ class ExtruderStack(CuraContainerStack):
         else:
             self.setMetaDataEntry("machine", stack.id)
 
+        # For backward compatibility: Register the extruder with the Extruder Manager
+        ExtruderManager.getInstance().registerExtruder(self, stack.id)
+
     ##  Overridden from ContainerStack
     #
     #   It will perform a few extra checks when trying to get properties.