diff --git a/client/html/post_readonly_sidebar.tpl b/client/html/post_readonly_sidebar.tpl
index 178b1d24..7d8fc022 100644
--- a/client/html/post_readonly_sidebar.tpl
+++ b/client/html/post_readonly_sidebar.tpl
@@ -53,6 +53,7 @@
             Search on
             <a href='http://iqdb.org/?url=<%- encodeURIComponent(ctx.post.fullContentUrl) %>'>IQDB</a> &middot;
             <a href='https://danbooru.donmai.us/posts?tags=md5:<%- ctx.post.checksumMD5 %>'>Danbooru</a> &middot;
+            <a href='https://e621.net/posts?tags=md5:<%- ctx.post.checksumMD5 %>'>E621</a> &middot;
             <a href='https://www.google.com/searchbyimage?&image_url=<%- encodeURIComponent(ctx.post.fullContentUrl) %>'>Google Images</a>
         </section>