diff --git a/_includes/meta.html b/_includes/meta.html
index dffaa9566..d4315ddc3 100644
--- a/_includes/meta.html
+++ b/_includes/meta.html
@@ -30,8 +30,8 @@
 
 {%comment%}<!-- image -->{%endcomment%}
 {% if site.data.assets.preview_host %}
-<meta content='{{ site.data.assets.preview_host }}{{ page.url | remove: '.html' }}.jpg?t={{ timestamp }}' property='og:image'>
-<meta content='{{ site.data.assets.preview_host }}{{ page.url | remove: '.html' }}.jpg?t={{ timestamp }}' property='twitter:image'>
+<meta content='{{ site.data.assets.preview_host }}{{ page.url | remove: '.html' | default: 'index' }}.jpg?t={{ timestamp }}' property='og:image'>
+<meta content='{{ site.data.assets.preview_host }}{{ page.url | remove: '.html' | default: 'index' }}.jpg?t={{ timestamp }}' property='twitter:image'>
 <meta content='900' property='og:image:width'>
 <meta content='471' property='og:image:height'>
 {% endif %}