diff --git a/app/assets/javascripts/samples/sample_datatable.js.erb b/app/assets/javascripts/samples/sample_datatable.js.erb
index 7fb9cbc25..9ad53f960 100644
--- a/app/assets/javascripts/samples/sample_datatable.js.erb
+++ b/app/assets/javascripts/samples/sample_datatable.js.erb
@@ -967,6 +967,7 @@ function changeToEditMode() {
             '<th class="custom-field" id="' + data.id + '" ' +
             'data-editable data-deletable ' +
             'data-edit-url="' + data.edit_url + '" ' +
+            'data-update-url="' + data.update_url + '" ' +
             'data-destroy-html-url="' + data.destroy_html_url + '"' +
             '>' + generateColumnNameTooltip(data.name) + '</th>');
 
@@ -1050,6 +1051,7 @@ function changeToEditMode() {
           'data-position="' + colIndex + '" ' +
           'data-id="' + $(el).attr('id') + '" ' +
           'data-edit-url=' + $(el).attr('data-edit-url') + ' ' +
+          'data-update-url=' + $(el).attr('data-update-url') + ' ' +
           'data-destroy-html-url=' + $(el).attr('data-destroy-html-url') + ' ' +
           'class="' + visLi + '"' +
           '>' +
@@ -1151,7 +1153,7 @@ function changeToEditMode() {
       var text = li.find('.text');
       var textEdit = li.find('.text-edit');
       var newName = textEdit.val().trim();
-      var url = li.attr('data-edit-url');
+      var url = li.attr('data-update-url');
 
       $.ajax({
         url: url,
@@ -1194,20 +1196,21 @@ function changeToEditMode() {
       cancelEditMode();
 
       var li = $(this).closest('li');
-      var url = li.attr('data-edit-url') + "/electronic_sign_edit";
+      var url = li.attr('data-edit-url');
       ajaxCallEvent();
 
       function ajaxCallEvent(){
         $.ajax({
           url: url,
           success: function() {
-            var text = li.find('.text');
+            var text, textEdit, controls, controlsEdit;
+            text = li.find('.text');
             if ($(text).find('.modal-tooltiptext').length > 0) {
               text = $(text).find('.modal-tooltiptext');
             }
-            var textEdit = li.find('.text-edit');
-            var controls = li.find('.controls .vis,.edit,.del');
-            var controlsEdit = li.find('.controls .ok,.cancel');
+            textEdit = li.find('.text-edit');
+            controls = li.find('.controls .vis,.edit,.del');
+            controlsEdit = li.find('.controls .ok,.cancel');
 
             // Toggle edit mode
             columnEditMode = true;
diff --git a/app/controllers/custom_fields_controller.rb b/app/controllers/custom_fields_controller.rb
index 059512e75..388d8dc96 100644
--- a/app/controllers/custom_fields_controller.rb
+++ b/app/controllers/custom_fields_controller.rb
@@ -19,6 +19,8 @@ class CustomFieldsController < ApplicationController
             id: @custom_field.id,
             name: escape_input(@custom_field.name),
             edit_url:
+              edit_team_custom_field_path(@team, @custom_field),
+            update_url:
               team_custom_field_path(@team, @custom_field),
             destroy_html_url:
               team_custom_field_destroy_html_path(
@@ -36,6 +38,14 @@ class CustomFieldsController < ApplicationController
     end
   end
 
+  def edit
+    respond_to do |format|
+      format.json do
+        render json: { status: :ok }
+      end
+    end
+  end
+
   def update
     respond_to do |format|
       format.json do
diff --git a/app/views/shared/_samples.html.erb b/app/views/shared/_samples.html.erb
index 79c52a545..2652d0366 100644
--- a/app/views/shared/_samples.html.erb
+++ b/app/views/shared/_samples.html.erb
@@ -145,7 +145,8 @@
             id="<%= cf.id %>"
             <%= 'data-editable' if can_edit_custom_field(cf) %>
             <%= 'data-deletable' if can_delete_custom_field(cf) %>
-            <%= "data-edit-url='#{team_custom_field_path(@team, cf)}'" %>
+            <%= "data-edit-url='#{edit_team_custom_field_path(@team, cf)}'" %>
+            <%= "data-update-url='#{team_custom_field_path(@team, cf)}'" %>
             <%= "data-destroy-html-url='#{team_custom_field_destroy_html_path(@team, cf)}'" %>
         >
           <%= display_tooltip(cf.name) %>
diff --git a/config/routes.rb b/config/routes.rb
index 83da5977b..a8a8a663e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -123,7 +123,7 @@ Rails.application.routes.draw do
         get 'sample_group_element', to: 'sample_groups#sample_group_element'
         get 'destroy_confirmation', to: 'sample_groups#destroy_confirmation'
       end
-      resources :custom_fields, only: [:create, :update, :destroy] do
+      resources :custom_fields, only: [:create, :edit, :update, :destroy] do
         get 'destroy_html'
       end
       member do