diff --git a/themes/maddybook/layouts/partials/head.html b/themes/maddybook/layouts/partials/head.html
index 3c85292..526eb39 100644
--- a/themes/maddybook/layouts/partials/head.html
+++ b/themes/maddybook/layouts/partials/head.html
@@ -15,7 +15,7 @@
     <meta name="twitter:site" content="@makyo_writes" />
     <meta name="twitter:title" content="{{ if .Params.title }}{{.Params.title | plainify }} | {{end}}A Wildness of the Heart" />
     <meta name="twitter:description" content="A Wildness of the Heart: Limerent Object and Other Stories by Madison Scott-Clary" />
-    <meta name="twitter:image" content="{{ "/square.png" | absURL }}" />
+    <meta name="twitter:image" content="{{ "/square.jpg" | absURL }}" />
 
     <!-- JSON-LD metadata -->
     <script type="application/ld+json">