diff --git a/mkarchroot.in b/mkarchroot.in
index 86631a1..43fa4b4 100644
--- a/mkarchroot.in
+++ b/mkarchroot.in
@@ -72,7 +72,7 @@ if [[ -z $cache_dir ]]; then
 fi
 
 if [[ -f /etc/pacman.d/mirrorlist ]]; then
-	host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -E 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
+	host_mirror=$(chroot ${working_dir} pacman -Sddp extra/devtools 2>/dev/null | sed -E 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
 fi
 if [[ -z $host_mirror ]]; then
 	host_mirror='http://mirrors.kernel.org/archlinux/$repo/os/$arch'