diff --git a/bs_mirrorfull b/bs_mirrorfull
index 1a647236..2a8fc426 100755
--- a/bs_mirrorfull
+++ b/bs_mirrorfull
@@ -12,6 +12,7 @@ use BSRPC ':https';
 use BSXML;
 use BSHTTP;
 use Fcntl qw/:flock/;
+use File::Path qw/make_path/;
 
 use strict;
 
@@ -35,6 +36,10 @@ die("uasge: bs_mirrorfull url dir\n") unless @ARGV == 2;
 my ($url, $dir) = @ARGV;
 $url =~ s/\/$//;
 
+unless (-d $dir) {
+    make_path($dir);
+}
+
 open(my $fh, '>', $dir.'/.lock') or die "failed to open lock file: $!\n";
 unless(flock($fh, LOCK_EX|LOCK_NB)) {
     print "$dir is locked, waiting ...\n";