diff --git a/app/helpers/open_graph_helper.rb b/app/helpers/open_graph_helper.rb
index fac914b32..b28d13167 100644
--- a/app/helpers/open_graph_helper.rb
+++ b/app/helpers/open_graph_helper.rb
@@ -12,10 +12,8 @@ module OpenGraphHelper
   end
 
   def og_image(post)
-    if post.photos.present?
-      img_url = post.photos.first.url(:thumb_medium)
-      meta_tag_with_property('og:image', img_url)
-    end
+    img_url = post.photos.present? ? post.photos.first.url(:thumb_medium) : "#{root_url.chop}#{image_path('asterisk.png')}"
+    meta_tag_with_property('og:image', img_url)
   end
 
   def og_site_name