diff --git a/templates/index.html b/templates/index.html
index 4638c67..d24d94f 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -9,7 +9,7 @@
         <link rel="stylesheet" href="{{ config.base_url }}/style.css">
         <meta property="og:title" content="{{ config.extra.author }}'s memories">
         <meta property="og:type" content="website">
-        <meta property="og:image" content="{{ config.base_url }}/icons/noun_diary_white.svg">
+        <meta property="og:image" content="{{ config.base_url }}/icons/noun_diary_monochrome.png">
         <meta property="og:description" content="{{ config.description }}">
         <meta property="og:site_name" content="{{ config.extra.author }}'s memories">
     </head>