diff --git a/broadcast/favicon-goatoh.ico b/broadcast/favicon-goatoh.ico
new file mode 100644
index 0000000..20f7202
Binary files /dev/null and b/broadcast/favicon-goatoh.ico differ
diff --git a/broadcast/index.frm.php b/broadcast/index.frm.php
index 8b3720f..54b525a 100644
--- a/broadcast/index.frm.php
+++ b/broadcast/index.frm.php
@@ -10,7 +10,12 @@
         <link href="//cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous" />
         <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/themes/base/jquery-ui.min.css" />
         <link href="./style.css" rel="stylesheet" />
-        <title>伊地知ニジカ放送局 - ニジカ返答ログ</title>
+        <?php if (((int) date ('n') === 4) && ((int) date ('j') === 1)): ?>
+            <link rel="icon" href="favicon-goatoh.ico" />
+            <title>ゴートうひとり放送局 - ゴートう返答ログ</title>
+        <?php else: ?>
+            <title>伊地知ニジカ放送局 - ニジカ返答ログ</title>
+        <?php endif ?>
     </head>
 
     <body>
