diff --git a/cura/Extruder.py b/cura/Extruder.py
index 1e701f9eaa..bfda6db27a 100644
--- a/cura/Extruder.py
+++ b/cura/Extruder.py
@@ -27,6 +27,7 @@ class Extruder:
         #Create a container stack for this extruder.
         self._name = self._uniqueName(self._definition)
         self._container_stack = UM.Settings.ContainerStack(self._name)
+        container_registry.addContainer(self._container_stack)
         self._container_stack.addMetaDataEntry("type", "extruder_train")
         self._container_stack.addContainer(self._definition)