diff --git a/core/server/data/migrations/versions/2.0/1-rename-amp-column.js b/core/server/data/migrations/versions/2.0/1-rename-amp-column.js
index a0546d645d..f703e5186e 100644
--- a/core/server/data/migrations/versions/2.0/1-rename-amp-column.js
+++ b/core/server/data/migrations/versions/2.0/1-rename-amp-column.js
@@ -7,7 +7,7 @@ const common = require('../../../../lib/common'),
     message3 = `Renamed column ${columnNameOld} to ${columnNameNew}`,
     message4 = `Renamed column ${columnNameNew} to ${columnNameOld}`;
 
-module.exports.up = function renameAmpColumn(options) {
+module.exports.up = (options) => {
     const connection = options.connection;
 
     common.logging.info(message1);
@@ -25,7 +25,7 @@ module.exports.up = function renameAmpColumn(options) {
         });
 };
 
-module.exports.down = function renameCommentIdColumn(options) {
+module.exports.down = (options) => {
     let connection = options.connection;
 
     common.logging.info(message2);
diff --git a/core/server/data/migrations/versions/2.0/2-update-posts.js b/core/server/data/migrations/versions/2.0/2-update-posts.js
index 79358dfcd3..79e92884c4 100644
--- a/core/server/data/migrations/versions/2.0/2-update-posts.js
+++ b/core/server/data/migrations/versions/2.0/2-update-posts.js
@@ -3,13 +3,14 @@ const _ = require('lodash'),
     common = require('../../../../lib/common'),
     models = require('../../../../models'),
     message1 = 'Updating post data (comment_id)',
-    message2 = 'Updated post data (comment_id)';
+    message2 = 'Updated post data (comment_id)',
+    message3 = 'Nothing todo. Keep correct comment_id values in amp column.';
 
 module.exports.config = {
     transaction: true
 };
 
-module.exports.up = function updatePosts(options) {
+module.exports.up = (options) => {
     const postAllColumns = ['id', 'comment_id'];
 
     let localOptions = _.merge({
@@ -34,3 +35,8 @@ module.exports.up = function updatePosts(options) {
             common.logging.info(message2);
         });
 };
+
+module.exports.down = () => {
+    common.logging.info(message3);
+    return Promise.resolve();
+};