diff --git a/lib/pretty_text/helpers.rb b/lib/pretty_text/helpers.rb
index 9c898882a7c..417600469bf 100644
--- a/lib/pretty_text/helpers.rb
+++ b/lib/pretty_text/helpers.rb
@@ -70,7 +70,7 @@ module PrettyText
           if short_urls = reverse_map[sha1]
             short_urls.each do |short_url|
               result[short_url] = {
-                url: url,
+                url: Discourse.store.cdn_url(url),
                 short_path: Upload.short_path(sha1: sha1, extension: extension),
                 base62_sha1: Upload.base62_sha1(sha1)
               }