diff --git a/app/controllers/backoffice/preference_list_dossier_controller.rb b/app/controllers/backoffice/preference_list_dossier_controller.rb
index 0b9e564b3..645ddc049 100644
--- a/app/controllers/backoffice/preference_list_dossier_controller.rb
+++ b/app/controllers/backoffice/preference_list_dossier_controller.rb
@@ -8,7 +8,7 @@ class Backoffice::PreferenceListDossierController < ApplicationController
   def add
     PreferenceListDossier.create(
         libelle: params[:libelle],
-        table: params[:table],
+        table: (params[:table].empty? ? nil : params[:table]),
         attr: params[:attr],
         attr_decorate: params[:attr_decorate],
         bootstrap_lg: params[:bootstrap_lg],
diff --git a/app/services/dossiers_list_gestionnaire_service.rb b/app/services/dossiers_list_gestionnaire_service.rb
index cd6b04949..2433304c4 100644
--- a/app/services/dossiers_list_gestionnaire_service.rb
+++ b/app/services/dossiers_list_gestionnaire_service.rb
@@ -76,7 +76,7 @@ class DossiersListGestionnaireService
 
     @current_devise_profil.preference_list_dossiers
         .find_by(table: table, attr: attr, procedure: @procedure)
-        .update_column :order, order
+        .update order: order
   end
 
   def reset_sort!
diff --git a/db/migrate/20160927154248_change_emptyto_nil_in_preference_list_dossier_table.rb b/db/migrate/20160927154248_change_emptyto_nil_in_preference_list_dossier_table.rb
new file mode 100644
index 000000000..a5905c8e2
--- /dev/null
+++ b/db/migrate/20160927154248_change_emptyto_nil_in_preference_list_dossier_table.rb
@@ -0,0 +1,9 @@
+class ChangeEmptytoNilInPreferenceListDossierTable < ActiveRecord::Migration
+  class PreferenceListDossier < ActiveRecord::Base
+
+  end
+
+  def change
+    PreferenceListDossier.where(table: '').update_all table: nil
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7490e1253..a238ccf10 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160926160051) do
+ActiveRecord::Schema.define(version: 20160927154248) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
diff --git a/spec/facades/dossiers_list_facades_spec.rb b/spec/facades/dossiers_list_facades_spec.rb
index 625643930..6741bb84c 100644
--- a/spec/facades/dossiers_list_facades_spec.rb
+++ b/spec/facades/dossiers_list_facades_spec.rb
@@ -12,13 +12,13 @@ describe DossiersListFacades do
 
     create :preference_list_dossier,
            gestionnaire: gestionnaire,
-           table: '',
+           table: nil,
            attr: 'state',
            attr_decorate: 'display_state'
 
     create :preference_list_dossier,
            gestionnaire: gestionnaire,
-           table: '',
+           table: nil,
            attr: 'state',
            attr_decorate: 'display_state',
            procedure_id: procedure.id
diff --git a/spec/views/backoffice/dossiers/index_html.haml_spec.rb b/spec/views/backoffice/dossiers/index_html.haml_spec.rb
index cd937d856..ddca9e976 100644
--- a/spec/views/backoffice/dossiers/index_html.haml_spec.rb
+++ b/spec/views/backoffice/dossiers/index_html.haml_spec.rb
@@ -28,7 +28,7 @@ describe 'backoffice/dossiers/index.html.haml', type: :view do
 
     create :preference_list_dossier,
            gestionnaire: gestionnaire,
-           table: '',
+           table: nil,
            attr: 'state',
            attr_decorate: 'display_state'
 
@@ -46,7 +46,7 @@ describe 'backoffice/dossiers/index.html.haml', type: :view do
 
     create :preference_list_dossier,
            gestionnaire: gestionnaire,
-           table: '',
+           table: nil,
            attr: 'last_update',
            attr_decorate: 'last_update'