diff --git a/metadata/org.wownero.cyberwow.yml b/metadata/org.wownero.cyberwow.yml
index 526831363b..21ca9354b7 100644
--- a/metadata/org.wownero.cyberwow.yml
+++ b/metadata/org.wownero.cyberwow.yml
@@ -34,6 +34,7 @@ Builds:
     commit: v0.7.0.0-k
     subdir: cyberwow
     sudo:
+      - echo "deb http://deb.debian.org/debian stretch-backports-sloppy main" > /etc/apt/sources.list.d/stretch-backports-sloppy.list
       - apt-get update || apt-get update
       - apt install -y build-essential
       - apt install -y -t stretch-backports-sloppy libarchive13