diff --git a/app/models/biblio_identifier.rb b/app/models/biblio_identifier.rb
index ed16a69e1..c2c2247bd 100644
--- a/app/models/biblio_identifier.rb
+++ b/app/models/biblio_identifier.rb
@@ -112,10 +112,7 @@ def xml_title_text
   #   - temporary identifier name
   def self.next_temporary_identifier
     year = Time.now.year
-    latest = self.find(:all,
-                       :conditions => ["name like ?", "papyri.info/#{self::IDENTIFIER_NAMESPACE}/#{year}-%"],
-                       :order => "name DESC",
-                       :limit => 1).first
+    latest = self.where('name like ?', "papyri.info/#{self::IDENTIFIER_NAMESPACE}/#{year}-%").order(name: :desc).limit(1).first
     if latest.nil?
       # no constructed id's for this year/class
       document_number = 1
diff --git a/app/models/cts_identifier.rb b/app/models/cts_identifier.rb
index 263f8f64d..75a90bf77 100644
--- a/app/models/cts_identifier.rb
+++ b/app/models/cts_identifier.rb
@@ -79,10 +79,7 @@ def self.next_temporary_identifier(collection,template,pubtype,lang)
     Rails.logger.info("New urn:#{newUrn}")
     document_path = collection + "/" + CTS::CTSLib.pathForUrn(newUrn,pubtype)
     editionPart = ".#{self::TEMPORARY_COLLECTION}-#{lang}-#{year}-"
-    latest = self.find(:all,
-                       :conditions => ["name like ?", "#{document_path}%"],
-                       :order => "name DESC",
-                       :limit => 1).first
+    latest = self.where('name like ?', "#{document_path}%").order(name: :desc).limit(1).first
     if latest.nil?
       # no constructed id's for this year/class
       document_number = 1