diff --git a/src/bin/http_of_dir.ml b/src/bin/http_of_dir.ml
index d541369a..792e6132 100644
--- a/src/bin/http_of_dir.ml
+++ b/src/bin/http_of_dir.ml
@@ -49,7 +49,7 @@ let html_list_dir ~top ~parent d : string =
   Array.sort compare entries;
   let body = Buffer.create 256 in
   (* TODO: breadcrumbs for the path, each element a link to the given ancestor dir *)
-  Printf.bprintf body {|<head><title> http_of_dir %S</title>
+  Printf.bprintf body {|<head><title> http_of_dir %S</title><meta charset="utf-8">
   </head><body>
     <h2> Index of %S</h2>
   |} top d;
