diff --git a/app/models/repertoire.rb b/app/models/repertoire.rb
index 5c6ffebff..995d52d0b 100644
--- a/app/models/repertoire.rb
+++ b/app/models/repertoire.rb
@@ -1,6 +1,6 @@
 class Repertoire < ApplicationRecord
   default_scope :order => 'updated_at desc'
-  has_many :sub_repertoires, :dependent => :destroy, :order => "sub_repertoires.updated_at desc"
+  has_many :sub_repertoires, ->{order("sub_repertoires.updated_at desc")}, :dependent => :destroy
 
   has_many :tag_repertoires, through: :sub_repertoires
 end
diff --git a/app/models/sub_repertoire.rb b/app/models/sub_repertoire.rb
index aa99494b1..9f7079cfc 100644
--- a/app/models/sub_repertoire.rb
+++ b/app/models/sub_repertoire.rb
@@ -1,5 +1,5 @@
 class SubRepertoire < ApplicationRecord
 	belongs_to :repertoire
-	has_many :tag_repertoires, :dependent => :destroy, :order => "tag_repertoires.updated_at desc"
+	has_many :tag_repertoires, ->{order("tag_repertoires.updated_at desc")} ,:dependent => :destroy
 
 end