lib/bolognese/utils.rb in bolognese-0.9.19 vs lib/bolognese/utils.rb in bolognese-0.9.20

@@ -211,10 +211,10 @@
     def find_from_format_by_id(id)
       id = normalize_id(id)
 
       if /\A(?:(http|https):\/(\/)?(dx\.)?doi.org\/)?(doi:)?(10\.\d{4,5}\/.+)\z/.match(id)
         ra = get_doi_ra(id)
-        ra.present? ? ra.downcase : nil
+        %w(DataCite Crossref).include?(ra) ? ra.downcase : nil
       elsif /\A(?:(http|https):\/(\/)?orcid\.org\/)?(\d{4}-\d{4}-\d{4}-\d{3}[0-9X]+)\z/.match(id)
         "orcid"
       elsif /\A(http|https):\/(\/)?github\.com\/(.+)\z/.match(id)
         "codemeta"
       else