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-rw-r--r--lib/PublicInbox/WWW.pm4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index ee414e85..b4c050b1 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -358,15 +358,19 @@ sub r301 {
         my ($ctx, $listname, $mid, $suffix) = @_;
         my $cgi = $ctx->{cgi};
         my $url;
+        my $qs;
         if (ref($cgi) eq 'CGI') {
                 $url = $cgi->url(-base) . '/';
+                $qs = $cgi->query_string;
         } else {
                 $url = $cgi->base->as_string;
+                $qs = $cgi->env->{QUERY_STRING};
         }
 
         $url .= $listname . '/';
         $url .= (uri_escape_utf8($mid) . '/') if (defined $mid);
         $url .= $suffix if (defined $suffix);
+        $url .= "?$qs" if $qs ne '';
 
         [ 301,
           [ Location => $url, 'Content-Type' => 'text/plain' ],