1 files changed, 2 insertions, 4 deletions
diff --git a/public-inbox.cgi b/public-inbox.cgi
index 374b03d4..1fb96e75 100755
--- a/public-inbox.cgi
+++ b/public-inbox.cgi
@@ -15,7 +15,7 @@ use warnings;
  use CGI qw(:cgi :escapeHTML -nosticky); # PSGI/FastCGI/mod_perl compat
  use Encode qw(decode_utf8);
  use PublicInbox::Config;
-use URI::Escape qw(uri_unescape);
+use URI::Escape qw(uri_escape uri_unescape);
  use Digest::SHA qw(sha1_hex);
  our $LISTNAME_RE = qr!\A(?:/.*?)?/([\w\.\-]+)!;
  our $pi_config;
@@ -172,9 +172,7 @@ sub get_mid_html {
          my $x = mid2blob($ctx);
          return r404() unless $x;
  
-        my $pfx = $cgi->self_url;
-        $pfx =~ s!/m/.+\z!/!; # FIXME: this is not robust
-
+        my $pfx = "../f/" . uri_escape($ctx->{mid}) . ".html";
          require PublicInbox::View;
          require Email::MIME;
          [ "200 OK", {'Content-Type' => 'text/html'},