diff --git a/stage0/00-configure-apt/files/sources.list b/stage0/00-configure-apt/files/sources.list
index cd339c5..3ef0699 100644
--- a/stage0/00-configure-apt/files/sources.list
+++ b/stage0/00-configure-apt/files/sources.list
@@ -1,3 +1,3 @@
-deb http://raspbian.raspberrypi.com/raspbian/ RELEASE main contrib non-free rpi
+deb [ arch=armhf ] http://raspbian.raspberrypi.com/raspbian/ RELEASE main contrib non-free rpi
 # Uncomment line below then 'apt-get update' to enable 'apt-get source'
 #deb-src http://raspbian.raspberrypi.com/raspbian/ RELEASE main contrib non-free rpi