diff --git a/helpers/make-rdiff-backup b/helpers/make-rdiff-backup
index ebbbb3e96c2f414d7706eef229b718ed9da35d6c..a798da5670befd0889ee55af25dd426c624ade58 100644
--- a/helpers/make-rdiff-backup
+++ b/helpers/make-rdiff-backup
@@ -19,6 +19,7 @@
 
 VERSION=1
 EXTERNAL='deb-src http://archive.ubuntu.com/ubuntu bionic universe'
+BACKPORTS=true
 
 . ./config