diff --git a/mkpuzzles.py b/mkpuzzles.py
index 2ecf3dd..9ace9d6 100755
--- a/mkpuzzles.py
+++ b/mkpuzzles.py
@@ -62,7 +62,8 @@ for cat in os.listdir(opts.puzzles):
             f.write('<ul>\n')
             for fn, path in files:
                 shutil.copy(path, outdir)
-                f.write('<li><a href="%s">%s</a></li>\n' % (fn, fn))
+                if not fn.startswith(','):
+                    f.write('<li><a href="%s">%s</a></li>\n' % (fn, fn))
             f.write('</ul>\n')
         f.write('''
     <form action="%(cgi)s" method="post">
diff --git a/puzzles/webapp/1/binary.png b/puzzles/webapp/1/,binary.png
similarity index 100%
rename from puzzles/webapp/1/binary.png
rename to puzzles/webapp/1/,binary.png
diff --git a/puzzles/webapp/1/ctf.css b/puzzles/webapp/1/,ctf.css
similarity index 95%
rename from puzzles/webapp/1/ctf.css
rename to puzzles/webapp/1/,ctf.css
index a1c53e0..4b1b9a0 100644
--- a/puzzles/webapp/1/ctf.css
+++ b/puzzles/webapp/1/,ctf.css
@@ -2,7 +2,7 @@ html,body {
 	height: 100%;
 	min-height: 100%;
 	background-color: #000000;
-	background-image: url("binary.png");
+	background-image: url(",binary.png");
 	background-repeat: repeat-x repeat-y;
 	margin: 0;
 	padding: 0;
diff --git a/puzzles/webapp/1/1.cgi b/puzzles/webapp/1/1.cgi
index b5cbd75..91ddffd 100755
--- a/puzzles/webapp/1/1.cgi
+++ b/puzzles/webapp/1/1.cgi
@@ -10,7 +10,7 @@ print '''
 <html>
 	<head>
 		<title>1</title>
-		<link rel="stylesheet" type="text/css" href="ctf.css" media="all" />
+		<link rel="stylesheet" type="text/css" href=",ctf.css" media="all" />
 		<!-- key = ktFfb8R1Bw -->
 	</head>
 	<body>
