diff --git a/arch-nspawn.in b/arch-nspawn.in
index 6900382..c100b35 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -45,16 +45,29 @@ shift 1
 
 [[ -z $working_dir ]] && die 'Please specify a working directory.'
 
-if [[ -z $cache_dir ]]; then
-	cache_dirs=($(pacman -v 2>&1 | grep '^Cache Dirs:' | sed 's/Cache Dirs:\s*//g'))
-else
-	cache_dirs=("$cache_dir")
-fi
-
 host_mirror=$(pacman -Sddp extra/devtools 2>/dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#')
 [[ $host_mirror == *file://* ]] && host_mirror_path=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
 
 # {{{ functions
+set_cache_dir() {
+	if [[ -z $cache_dir && -z $pac_conf ]]; then
+		chroot_cache_dirs=($(sed '/^\s*CacheDir/!d;s/^\s*CacheDir\s*=\s*//g;s/\s//g' "$working_dir/etc/pacman.conf"))
+		system_cache_dirs=($(pacman -v 2>&1 | sed '/Cache Dirs:/!d;s/Cache Dirs:\s*//g'))
+		if [ "${system_cache_dirs[@]:-/var/cache/pacman/pkg/}" != "/var/cache/pacman/pkg/" -a "${chroot_cache_dirs[@]:-/var/cache/pacman/pkg/}" == "/var/cache/pacman/pkg/" ]; then
+			cache_dirs=("${system_cache_dirs[@]}")
+		elif [ "${chroot_cache_dirs[@]:-/var/cache/pacman/pkg/}" != "/var/cache/pacman/pkg/" ]; then
+			cache_dirs=("${chroot_cache_dirs[@]}")
+		else
+			cache_dirs=("${system_cache_dirs[@]:-/var/cache/pacman/pkg/}")
+		fi
+	elif [[ -z $cache_dirs && -n $pac_conf ]];then
+		cache_dirs=($(sed '/^\s*CacheDir/!d;s/^\s*CacheDir\s*=\s*//g;s/\s//g' "$pac_conf"))
+	else
+		cache_dirs=("$cache_dir")
+	fi
+
+}
+
 build_mount_args() {
 	declare -g mount_args=()
 
@@ -89,6 +102,7 @@ elif [[ $(cat "$working_dir/.arch-chroot") != $CHROOT_VERSION ]]; then
 	die "chroot '%s' is not at version %s. Please rebuild." "$working_dir" "$CHROOT_VERSION"
 fi
 
+set_cache_dir
 build_mount_args
 copy_hostconf