diff --git a/en_US.ISO8859-1/htdocs/robots.txt b/en_US.ISO8859-1/htdocs/robots.txt
index 7c72607e22..709463ae54 100644
--- a/en_US.ISO8859-1/htdocs/robots.txt
+++ b/en_US.ISO8859-1/htdocs/robots.txt
@@ -7,7 +7,7 @@ Disallow: /cgi/cvsweb.cgi
 Disallow: /cgi/dosendpr.cgi
 Disallow: /cgi/getmsg.cgi
 Disallow: /cgi/mailindex.cgi
-#Disallow: /cgi/man.cgi
+Disallow: /cgi/man.cgi
 Disallow: /cgi/mid.cgi
 Disallow: /cgi/mirror.cgi
 Disallow: /cgi/missing_handler.cgi