diff --git a/lib/functions/rootfs/distro-specific.sh b/lib/functions/rootfs/distro-specific.sh
index b43e554360..c3e13b3ac4 100644
--- a/lib/functions/rootfs/distro-specific.sh
+++ b/lib/functions/rootfs/distro-specific.sh
@@ -147,11 +147,11 @@ function create_sources_list() {
 
 		sid) # sid is permanent unstable development and has no such thing as updates or security
 			cat <<- EOF > "${basedir}"/etc/apt/sources.list
-				deb http://${DEBIAN_MIRROR} $release main contrib non-free
-				#deb-src http://${DEBIAN_MIRROR} $release main contrib non-free
+				deb http://${DEBIAN_MIRROR} $release main contrib non-free non-free-firmware
+				#deb-src http://${DEBIAN_MIRROR} $release main contrib non-free non-free-firmware
 
-				deb http://${DEBIAN_MIRROR} unstable main contrib non-free
-				#deb-src http://${DEBIAN_MIRROR} unstable main contrib non-free
+				deb http://${DEBIAN_MIRROR} unstable main contrib non-free non-free-firmware
+				#deb-src http://${DEBIAN_MIRROR} unstable main contrib non-free non-free-firmware
 			EOF
 			;;