diff --git a/_layouts/default.html b/_layouts/default.html
index 2155920..e3714ff 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -25,7 +25,7 @@
     <meta property="og:title" content="{{ page_title }}" />
     <meta property="og:type" content="website" />
     <meta property="og:description" content="{{ page_description }}" />
-    <meta property="og:image" content="/assets/images/banner.png" />
+    <meta property="og:image" content="{{ '/assets/images/banner.png' | prepend: site.url }}" />
     <meta property="og:image:alt" content="RubySG Banner" />
     <meta property="og:image:width" content="1200" />
     <meta property="og:image:height" content="640" />