1 files changed, 9 insertions, 0 deletions

diff --git a/app/models/related_asset.rb b/app/models/related_asset.rb
index 8f164600..62000cc8 100644
--- a/app/models/related_asset.rb
+++ b/app/models/related_asset.rb
@@ -5,4 +5,13 @@ class RelatedAsset < ApplicationRecord
   acts_as_list :scope => :page_id
 
   default_scope -> { order("position ASC") }
+
+  validate :headline_only_for_images
+
+  private
+
+    def headline_only_for_images
+      return unless asset
+      errors.add(:headline, "can only be set on image assets") if headline? && !asset.image?
+    end
 end