diff --git a/app/controllers/new_gestionnaire/procedures_controller.rb b/app/controllers/new_gestionnaire/procedures_controller.rb
index ac9ef73f1..377b04208 100644
--- a/app/controllers/new_gestionnaire/procedures_controller.rb
+++ b/app/controllers/new_gestionnaire/procedures_controller.rb
@@ -132,7 +132,7 @@ module NewGestionnaire
         'table' => table,
         'column' => column,
         'order' => order
-      }.to_json
+      }
 
       procedure_presentation.update(sort: sort)
 
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index f83227269..2f2c10855 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -307,7 +307,7 @@ class Procedure < ApplicationRecord
       'table' => 'self',
       'column' => 'id',
       'order' => 'desc'
-    }.to_json
+    }
   end
 
   def whitelist!
diff --git a/app/models/procedure_presentation.rb b/app/models/procedure_presentation.rb
index 7f53fc516..f1c701213 100644
--- a/app/models/procedure_presentation.rb
+++ b/app/models/procedure_presentation.rb
@@ -1,10 +1,6 @@
 class ProcedurePresentation < ApplicationRecord
   belongs_to :assign_to
 
-  def sort
-    JSON.parse(read_attribute(:sort))
-  end
-
   def filters
     JSON.parse(read_attribute(:filters))
   end
diff --git a/lib/tasks/2018_09_20_procedure_presentation_jsonb.rake b/lib/tasks/2018_09_20_procedure_presentation_jsonb.rake
index 01a78a327..114b504c6 100644
--- a/lib/tasks/2018_09_20_procedure_presentation_jsonb.rake
+++ b/lib/tasks/2018_09_20_procedure_presentation_jsonb.rake
@@ -2,7 +2,8 @@ namespace :'2018_09_20_procedure_presentation_jsonb' do
   task run: :environment do
     ProcedurePresentation.update_all(
       <<~SQL
-        displayed_fields = ('[' || ARRAY_TO_STRING(old_displayed_fields, ',') || ']')::JSONB
+        displayed_fields = ('[' || ARRAY_TO_STRING(old_displayed_fields, ',') || ']')::JSONB,
+        sort = (sort  #>> '{}')::jsonb
       SQL
     )
   end
diff --git a/spec/models/procedure_presentation_spec.rb b/spec/models/procedure_presentation_spec.rb
index 9e69ed408..e3a0072c4 100644
--- a/spec/models/procedure_presentation_spec.rb
+++ b/spec/models/procedure_presentation_spec.rb
@@ -7,7 +7,7 @@ describe ProcedurePresentation do
         { "label" => "test1", "table" => "user" },
         { "label" => "test2", "table" => "champs" }
       ],
-      sort: { "table" => "user","column" => "email","order" => "asc" }.to_json,
+      sort: { "table" => "user","column" => "email","order" => "asc" },
       filters: { "a-suivre" => [], "suivis" => [{ "label" => "label1", "table" => "table1", "column" => "column1" }] }.to_json
     ).id
   }
diff --git a/spec/models/procedure_spec.rb b/spec/models/procedure_spec.rb
index 43ae0c653..d41f2413a 100644
--- a/spec/models/procedure_spec.rb
+++ b/spec/models/procedure_spec.rb
@@ -690,7 +690,7 @@ describe Procedure do
   end
 
   describe ".default_sort" do
-    it { expect(Procedure.default_sort).to eq("{\"table\":\"self\",\"column\":\"id\",\"order\":\"desc\"}") }
+    it { expect(Procedure.default_sort).to eq({ "table" => "self", "column" => "id", "order" => "desc" }) }
   end
 
   describe "#export_filename" do