diff --git a/sets.conf b/sets.conf
index 31fb98bfb..4a2381637 100644
--- a/sets.conf
+++ b/sets.conf
@@ -2,3 +2,4 @@
 class = portage.sets.files.StaticFileSet
 multiset = true
 directory = ${repository:qt}/sets/
+world-candidate = True