diff --git a/helpers/make-youtube-dl b/helpers/make-youtube-dl
index 0c993e6..24027b7 100644
--- a/helpers/make-youtube-dl
+++ b/helpers/make-youtube-dl
@@ -18,7 +18,7 @@
 #
 
 VERSION=1
-EXTERNAL='deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu precise main'
+EXTERNAL='deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu $UPSTREAM main'
 
 apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 531EE72F4C9D234C