diff --git a/lib/KorAP/XML/Krill.pm b/lib/KorAP/XML/Krill.pm
index 6f3731d..6d42dbc 100644
--- a/lib/KorAP/XML/Krill.pm
+++ b/lib/KorAP/XML/Krill.pm
@@ -13,7 +13,7 @@
 use Cache::FastMmap;
 use Mojo::DOM;
 use Data::Dumper;
-use File::Spec::Functions qw/catdir catfile catpath splitdir splitpath rel2abs rootdir/;
+use File::Spec::Functions qw/catdir catfile catpath splitdir splitpath rel2abs/;
 
 our $VERSION = '0.21';
 
@@ -119,8 +119,9 @@
   # and the text file for meta information
   foreach (0..2) {
     # Removed starting '/'
-
-    unshift @header, catfile(rootdir(), @path, 'header.xml');
+    my $header = ($^O =~ /^mswin/i ? '' : '/');
+    $header .= catfile(@path, 'header.xml');
+    unshift @header, $header;
     pop @path;
   };