diff --git a/ghost/core/core/server/data/migrations/versions/5.59/2023-08-07-11-17-05-add-posts-published-at-index.js b/ghost/core/core/server/data/migrations/versions/5.59/2023-08-07-11-17-05-add-posts-published-at-index.js
index abf78fcaba..5784ac5d9b 100644
--- a/ghost/core/core/server/data/migrations/versions/5.59/2023-08-07-11-17-05-add-posts-published-at-index.js
+++ b/ghost/core/core/server/data/migrations/versions/5.59/2023-08-07-11-17-05-add-posts-published-at-index.js
@@ -1,4 +1,5 @@
 const logging = require('@tryghost/logging');
+const DatabaseInfo = require('@tryghost/database-info');
 const {createNonTransactionalMigration} = require('../../utils');
 
 const INDEX_NAME = 'posts_published_at_index';
@@ -7,7 +8,7 @@ module.exports = createNonTransactionalMigration(
     async function up(knex) {
         let hasIndex = false;
 
-        if (knex.client.config.client === 'sqlite3') {
+        if (DatabaseInfo.isSQLite(knex)) {
             const result = await knex.raw(`select * from sqlite_master where type = 'index' and tbl_name = 'posts' and name = '${INDEX_NAME}'`);
             hasIndex = (result.length !== 0);
         } else {
@@ -29,7 +30,7 @@ module.exports = createNonTransactionalMigration(
     async function down(knex) {
         let missingIndex = false;
 
-        if (knex.client.config.client === 'sqlite3') {
+        if (DatabaseInfo.isSQLite(knex)) {
             const result = await knex.raw(`select * from sqlite_master where type = 'index' and tbl_name = 'posts' and name = '${INDEX_NAME}'`);
             missingIndex = (result.length === 0);
         } else {
diff --git a/ghost/core/test/regression/api/content/posts.test.js b/ghost/core/test/regression/api/content/posts.test.js
index 7f86ae434f..c7296c46f6 100644
--- a/ghost/core/test/regression/api/content/posts.test.js
+++ b/ghost/core/test/regression/api/content/posts.test.js
@@ -302,24 +302,28 @@ describe('api/endpoints/content/posts', function () {
         before (function () {
             publicPost = testUtils.DataGenerator.forKnex.createPost({
                 slug: 'free-to-see',
-                visibility: 'public'
+                visibility: 'public',
+                published_at: new Date('2023-07-15T04:20:30.000+00:00')
             });
 
             membersPost = testUtils.DataGenerator.forKnex.createPost({
                 slug: 'thou-shalt-not-be-seen',
-                visibility: 'members'
+                visibility: 'members',
+                published_at: new Date('2023-07-20T04:20:30.000+00:00')
             });
 
             paidPost = testUtils.DataGenerator.forKnex.createPost({
                 slug: 'thou-shalt-be-paid-for',
-                visibility: 'paid'
+                visibility: 'paid',
+                published_at: new Date('2023-07-25T04:20:30.000+00:00')
             });
 
             membersPostWithPaywallCard = testUtils.DataGenerator.forKnex.createPost({
                 slug: 'thou-shalt-have-a-taste',
                 visibility: 'members',
                 mobiledoc: '{"version":"0.3.1","markups":[],"atoms":[],"cards":[["paywall",{}]],"sections":[[1,"p",[[0,[],0,"Free content"]]],[10,0],[1,"p",[[0,[],0,"Members content"]]]]}',
-                html: '<p>Free content</p><!--members-only--><p>Members content</p>'
+                html: '<p>Free content</p><!--members-only--><p>Members content</p>',
+                published_at: new Date('2023-07-30T04:20:30.000+00:00')
             });
 
             return testUtils.fixtures.insertPosts([