diff --git a/helpers/make-darkice b/helpers/make-darkice
index 2bc3b00..590c05d 100644
--- a/helpers/make-darkice
+++ b/helpers/make-darkice
@@ -18,7 +18,7 @@
 #
 
 VERSION=1
-EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu trusty multiverse'
+EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu $UPSTREAM multiverse'
 
 . ./config