diff --git a/helpers/make-kdenlive b/helpers/make-kdenlive
index c112e3c..80294be 100644
--- a/helpers/make-kdenlive
+++ b/helpers/make-kdenlive
@@ -18,11 +18,15 @@
 #
 
 VERSION=1
-EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu cosmic main universe'
-REPOKEY=7638D0442B90D010
+#EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu disco main universe'
+#REPOKEY=7638D0442B90D010
+
+EXTERNAL='deb-src http://ftp.debian.org/debian testing main'
+REPOKEY=648ACFD622F3D138
 
 . ./config
 
-changelog "Backported from cosmic"
+#changelog "Backported from disco"
+changelog "Backported from buster"
 
 compile