diff --git a/_layouts/default.html b/_layouts/default.html
index 07158b5..f8aaf2a 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -98,8 +98,8 @@ layout: compress
       <meta name="twitter:description" content="{{ site.description }}">
     {% endif %}
 
-    {% if page.header-img %}
-      <meta name="twitter:image:src" content="{{ site.url }}/{{ page.header-img }}">
+    {% if page.image %}
+      <meta name="twitter:image:src" content="{{ site.url }}/{{ page.image }}">
     {% endif %}
 
     <!-- Font awesome icons -->