diff --git a/bookwyrm/templates/layout.html b/bookwyrm/templates/layout.html
index 03496f52..5e66ff79 100644
--- a/bookwyrm/templates/layout.html
+++ b/bookwyrm/templates/layout.html
@@ -10,7 +10,11 @@
 
     <link rel="shortcut icon" type="image/x-icon" href="{% if site.favicon %}{{ media_url }}{{ site.favicon }}{% else %}/static/images/favicon.ico{% endif %}">
 
+    {% if preview_images_enabled is True %}
+    <meta name="twitter:card" content="summary_large_image">
+    {% else %}
     <meta name="twitter:card" content="summary">
+    {% endif %}
     <meta name="twitter:title" content="{% if title %}{{ title }} | {% endif %}{{ site.name }}">
     <meta name="og:title" content="{% if title %}{{ title }} | {% endif %}{{ site.name }}">
     <meta name="twitter:description" content="{{ site.instance_tagline }}">