diff --git a/Makefile b/Makefile
index d870d44..523578a 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ raspi_0w.yaml: raspi_master.yaml
 	sed "s/__LINUX_IMAGE__/linux-image-rpi/" | \
 	sed "s/__EXTRA_PKGS__/- firmware-brcm80211/" | \
 	sed "s/__DTB__/\\/usr\\/lib\\/linux-image-*-rpi\\/bcm*rpi-*.dtb/" |\
-	sed "s/__SPU_ENABLE__/echo 'deb http:\/\/deb.debian.org\/debian\/ stable-proposed-updates main' >> \/etc\/apt\/sources.list # Raspberries 0\/1 need raspi3-firmware >=  1.20190215-1+deb10u3/" |\
+	sed "s/__SPU_ENABLE__/deb http:\/\/deb.debian.org\/debian\/ stable-proposed-updates main # Raspberries 0\/1 need raspi3-firmware >=  1.20190215-1+deb10u3/" |\
 	sed "s/__HOST__/rpi0/" > $@
 
 raspi_2.yaml: raspi_master.yaml