Index: pym/portage/__init__.py
===================================================================
--- pym/portage/__init__.py	(revision 11815)
+++ pym/portage/__init__.py	(revision 11816)
@@ -6151,7 +6151,8 @@
 			continue
 		elif isinstance(x, list):
 			newsplit.append(_expand_new_virtuals(x, edebug, mydbapi,
-				mysettings, myroot=myroot, trees=trees, **kwargs))
+				mysettings, myroot=myroot, trees=trees, use_mask=use_mask,
+				use_force=use_force, **kwargs))
 			continue
 
 		if not isinstance(x, portage.dep.Atom):