diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 70cfd00..7a3c664 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -52,8 +52,12 @@
 <meta property="og:description" content="{{ if .IsHome }}{{ $.Site.Params.Subtitle }}{{ else if .Description}}{{ .Description | plainify }}{{ else }}{{ .Summary | plainify }}{{ end }}" />
 <meta property="og:url" content="{{ .Permalink }}" />
 <meta property="og:site_name" content="{{ $.Site.Title }}" />
-{{ if and (not .IsHome) (isset .Params "cover") }}
-  <meta property="og:image" content="{{ .Param "cover" | absURL }}">
+{{ if (isset .Params "cover") }}
+  {{ $pageCover := .Param "cover" }}
+  {{ with (.Resources.GetMatch (.Param "cover")) }}
+    {{ $pageCover = .RelPermalink }}
+  {{ end }}
+  <meta property="og:image" content="{{ $pageCover | absURL }}">
 {{ else }}
   {{ if isset $.Site.Params "favicon" }}
     <meta property="og:image" content="{{ $.Site.Params.favicon | absURL }}">
@@ -61,8 +65,8 @@
     <meta property="og:image" content="{{ printf "img/favicon/%s.png" $.Site.Params.ThemeColor | absURL }}">
   {{ end }}
 {{ end }}
-<meta property="og:image:width" content="2048">
-<meta property="og:image:height" content="1024">
+<meta property="og:image:width" content="1200">
+<meta property="og:image:height" content="627">
 {{ range .Params.categories }}
   <meta property="article:section" content="{{ . }}" />
 {{ end }}