diff --git a/arch-nspawn.in b/arch-nspawn.in
index 357d9509eecc2de4cf76a90c0bc353ae07b15f6b..e46b57ffcdc2cda2aeda75662a1bd674174a586c 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -53,7 +53,7 @@ else
 	cache_dirs=("$cache_dir")
 fi
 
-host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
+host_mirror=$(pacman --cachedir /doesnt/exist -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
 [[ $host_mirror == *file://* ]] && host_mirror_path=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
 
 # {{{ functions