diff --git a/layouts/posts/single.html b/layouts/posts/single.html
index 65b05d7..5c5eb5b 100644
--- a/layouts/posts/single.html
+++ b/layouts/posts/single.html
@@ -1,6 +1,6 @@
 {{- define "headExtra" -}}
 <meta name="description" content="{{ .Summary }}" />
-<meta property="og:title" content="{{ .Title }}" />
+<meta property="og:title" content="{{ .Site.Title }}: {{ .Title }}" />
 <meta property="og:url" content="{{ .Permalink }}" />
 <meta property="og:description" content="{{ .Summary }}" />
 <meta property="og:type" content="article" />