diff --git a/index.php b/index.php
index 40353fe647..df73fbd99f 100644
--- a/index.php
+++ b/index.php
@@ -265,6 +265,11 @@ if (isset($_GET['route']) || isset($_POST['route'])) {
         $routes->addRoute('GET', '/themes', function () {
             require_once ROOT_PATH . 'libraries/entry_points/themes.php';
         });
+        $routes->addGroup('/transformation', function (RouteCollector $routes) {
+            $routes->addRoute(['GET', 'POST'], '/overview', function () {
+                require_once ROOT_PATH . 'libraries/entry_points/transformation/overview.php';
+            });
+        });
         $routes->addRoute(['GET', 'POST'], '/user_password', function () {
             require_once ROOT_PATH . 'libraries/entry_points/user_password.php';
         });
diff --git a/libraries/classes/Core.php b/libraries/classes/Core.php
index dbbb9ae486..475dd8bd59 100644
--- a/libraries/classes/Core.php
+++ b/libraries/classes/Core.php
@@ -29,7 +29,6 @@ class Core
         'index.php',
         'pdf_pages.php',
         'pdf_schema.php',
-        'transformation_overview.php',
         'transformation_wrapper.php',
     ];
 
diff --git a/transformation_overview.php b/libraries/entry_points/transformation/overview.php
similarity index 83%
rename from transformation_overview.php
rename to libraries/entry_points/transformation/overview.php
index 0ccbc23c4a..817aaa376c 100644
--- a/transformation_overview.php
+++ b/libraries/entry_points/transformation/overview.php
@@ -11,14 +11,12 @@ use PhpMyAdmin\Controllers\TransformationOverviewController;
 use PhpMyAdmin\DatabaseInterface;
 use PhpMyAdmin\Response;
 
-if (! defined('ROOT_PATH')) {
-    define('ROOT_PATH', __DIR__ . DIRECTORY_SEPARATOR);
+if (! defined('PHPMYADMIN')) {
+    exit;
 }
 
 global $containerBuilder;
 
-require_once ROOT_PATH . 'libraries/common.inc.php';
-
 /** @var Response $response */
 $response = $containerBuilder->get(Response::class);
 
diff --git a/templates/columns_definitions/table_fields_definitions.twig b/templates/columns_definitions/table_fields_definitions.twig
index 5bfe9eec7b..4c20e7d5d2 100644
--- a/templates/columns_definitions/table_fields_definitions.twig
+++ b/templates/columns_definitions/table_fields_definitions.twig
@@ -71,8 +71,7 @@
                 {% trans 'Media type' %}
             </th>
             <th>
-                <a href="transformation_overview.php
-                    {{- get_common() }}#transformation" title="
+                <a href="{{ url('/transformation/overview') }}#transformation" title="
                     {%- trans 'List of available transformations and their options' -%}
                     " target="_blank">
                     {% trans 'Browser display transformation' %}
@@ -83,7 +82,7 @@
                 {{ show_hint('Please enter the values for transformation options using this format: \'a\', 100, b,\'c\'…<br>If you ever need to put a backslash ("\\") or a single quote ("\'") amongst those values, precede it with a backslash (for example \'\\\\xyz\' or \'a\\\'b\').'|trans) }}
             </th>
             <th>
-                <a href="transformation_overview.php{{ get_common() }}#input_transformation"
+                <a href="{{ url('/transformation/overview') }}#input_transformation"
                    title="{% trans 'List of available transformations and their options' %}"
                    target="_blank">
                     {% trans 'Input transformation' %}
diff --git a/test/classes/CoreTest.php b/test/classes/CoreTest.php
index 30148cd2c8..877334e877 100644
--- a/test/classes/CoreTest.php
+++ b/test/classes/CoreTest.php
@@ -26,7 +26,6 @@ class CoreTest extends PmaTestCase
         'index.php',
         'pdf_pages.php',
         'pdf_schema.php',
-        'transformation_overview.php',
         'transformation_wrapper.php',
     ];