diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 4911c85..766fbeb 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -58,7 +58,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        presta-versions: ['1.7.4.4', '1.7.5.1', '1.7.6', '1.7.7', '1.7.8', 'latest']
+        presta-versions: ['1.7.5.1', '1.7.6', '1.7.7', '1.7.8', 'latest']
     steps:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/README.md b/README.md
index c70719a..b6d1c4f 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Add sliding images to your homepage to welcome your visitors in a visual and fri
 
 ## Compatibility
 
-PrestaShop: `1.7.4.0` or later
+PrestaShop: `1.7.5.0` or later
 
 ## Multistore compatibility
 
diff --git a/ajax_ps_imageslider.php b/ajax_ps_imageslider.php
deleted file mode 100644
index deb8871..0000000
--- a/ajax_ps_imageslider.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-/**
- * Copyright since 2007 PrestaShop SA and Contributors
- * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
- *
- * NOTICE OF LICENSE
- *
- * This source file is subject to the Academic Free License version 3.0
- * that is bundled with this package in the file LICENSE.md.
- * It is also available through the world-wide-web at this URL:
- * https://opensource.org/licenses/AFL-3.0
- * If you did not receive a copy of the license and are unable to
- * obtain it through the world-wide-web, please send an email
- * to license@prestashop.com so we can send you a copy immediately.
- *
- * @author    PrestaShop SA and Contributors <contact@prestashop.com>
- * @copyright Since 2007 PrestaShop SA and Contributors
- * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
- */
-include_once '../../config/config.inc.php';
-include_once '../../init.php';
-include_once 'ps_imageslider.php';
-
-$home_slider = new Ps_ImageSlider();
-$slides = [];
-
-if (!Tools::isSubmit('secure_key') || Tools::getValue('secure_key') != $home_slider->secure_key || !Tools::getValue('action')) {
-    exit(1);
-}
-
-if (Tools::getValue('action') == 'updateSlidesPosition' && Tools::getValue('slides')) {
-    $slides = Tools::getValue('slides');
-
-    foreach ($slides as $position => $id_slide) {
-        $res = Db::getInstance()->execute('
-			UPDATE `' . _DB_PREFIX_ . 'homeslider_slides` SET `position` = ' . (int) $position . '
-			WHERE `id_homeslider_slides` = ' . (int) $id_slide
-        );
-    }
-
-    $home_slider->clearCache();
-}
diff --git a/config.xml b/config.xml
index 49fe122..cf023f0 100644
--- a/config.xml
+++ b/config.xml
@@ -2,7 +2,7 @@
 <module>
     <name>ps_imageslider</name>
     <displayName><![CDATA[Image slider]]></displayName>
-    <version><![CDATA[3.1.4]]></version>
+    <version><![CDATA[3.2.0]]></version>
     <description><![CDATA[Adds an image slider to your site.]]></description>
     <author><![CDATA[PrestaShop]]></author>
     <tab><![CDATA[front_office_features]]></tab>
diff --git a/controllers/admin/AdminConfigureSlidesController.php b/controllers/admin/AdminConfigureSlidesController.php
new file mode 100644
index 0000000..5abef0f
--- /dev/null
+++ b/controllers/admin/AdminConfigureSlidesController.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License version 3.0
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+class AdminConfigureSlidesController extends ModuleAdminController
+{
+    public function ajaxProcessUpdateSlidesPosition()
+    {
+        if (empty(Tools::getValue('action')) || Tools::getValue('action') != 'updateSlidesPosition' || empty(Tools::getValue('slides'))) {
+            ob_end_clean();
+            header('Content-Type: application/json');
+            $this->ajaxRender(json_encode(['error' => true]));
+            exit;
+        }
+
+        // Get slides and update their position
+        $slides = Tools::getValue('slides');
+        foreach ($slides as $position => $id_slide) {
+            Db::getInstance()->execute('
+					UPDATE `' . _DB_PREFIX_ . 'homeslider_slides` SET `position` = ' . (int) $position . '
+					WHERE `id_homeslider_slides` = ' . (int) $id_slide
+                );
+        }
+
+        // Wipe module cache
+        $this->module->clearCache();
+
+        ob_end_clean();
+        header('Content-Type: application/json');
+        $this->ajaxRender(json_encode(['success' => true]));
+        exit;
+    }
+}
diff --git a/ps_imageslider.php b/ps_imageslider.php
index 3dbbf28..e79f9a9 100644
--- a/ps_imageslider.php
+++ b/ps_imageslider.php
@@ -52,7 +52,7 @@ public function __construct()
     {
         $this->name = 'ps_imageslider';
         $this->tab = 'front_office_features';
-        $this->version = '3.1.4';
+        $this->version = '3.2.0';
         $this->author = 'PrestaShop';
         $this->need_instance = 0;
         $this->secure_key = Tools::hash($this->name);
@@ -62,7 +62,7 @@ public function __construct()
 
         $this->displayName = $this->trans('Image slider', [], 'Modules.Imageslider.Admin');
         $this->description = $this->trans('Add sliding images to your homepage to welcome your visitors in a visual and friendly way.', [], 'Modules.Imageslider.Admin');
-        $this->ps_versions_compliancy = ['min' => '1.7.4.0', 'max' => _PS_VERSION_];
+        $this->ps_versions_compliancy = ['min' => '1.7.5.0', 'max' => _PS_VERSION_];
 
         $this->templateFile = 'module:ps_imageslider/views/templates/hook/slider.tpl';
     }
@@ -75,6 +75,7 @@ public function install()
         /* Adds Module */
         if (
             parent::install() &&
+            $this->installTab() &&
             $this->registerHook('displayHeader') &&
             $this->registerHook('displayHome') &&
             $this->registerHook('actionShopDataDuplication')
@@ -125,6 +126,21 @@ public function install()
         return false;
     }
 
+    public function installTab()
+    {
+        $tab = new Tab();
+        $tab->class_name = 'AdminConfigureSlides';
+        $tab->module = $this->name;
+        $tab->active = true;
+        $tab->id_parent = -1;
+        $tab->name = array_fill_keys(
+            Language::getIDs(false),
+            $this->displayName
+        );
+
+        return $tab->add();
+    }
+
     /**
      * Adds samples
      */
@@ -158,6 +174,9 @@ public function uninstall()
             /* Deletes tables */
             $res = $this->deleteTables();
 
+            /* Delete hidden tab */
+            $res &= $this->uninstallTab();
+
             /* Unsets configuration */
             $res &= Configuration::deleteByName('HOMESLIDER_SPEED');
             $res &= Configuration::deleteByName('HOMESLIDER_PAUSE_ON_HOVER');
@@ -169,6 +188,18 @@ public function uninstall()
         return false;
     }
 
+    public function uninstallTab()
+    {
+        $result = true;
+        $id_tab = (int) Tab::getIdFromClassName('AdminConfigureSlides');
+        $tab = new Tab($id_tab);
+        if (Validate::isLoadedObject($tab)) {
+            $result = $tab->delete();
+        }
+
+        return $result;
+    }
+
     /**
      * Creates tables
      */
@@ -215,7 +246,7 @@ protected function createTables()
      */
     protected function deleteTables()
     {
-        $slides = $this->getSlides();
+        $slides = $this->getSlides(null, true);
         foreach ($slides as $slide) {
             $to_del = new Ps_HomeSlide($slide['id_slide']);
             $to_del->delete();
@@ -613,30 +644,52 @@ public function hookActionShopDataDuplication($params)
 
     public function headerHTML()
     {
-        if ('AdminModules' !== Tools::getValue('controller') ||
-            Tools::getValue('configure') !== $this->name ||
-            Tools::getIsset('id_slide')) {
+        // Run only on module configuration page
+        if (Tools::getValue('controller') != 'AdminModules' || Tools::getValue('configure') !== $this->name) {
             return;
         }
 
-        $this->context->controller->addJS($this->_path . 'js/Sortable.min.js');
-        /* Style & js for fieldset 'slides configuration' */
-        $html = '<script type="text/javascript">
-              $(function() {
-                var $mySlides = $("#slides");
-                new Sortable($mySlides[0], {
-                  animation: 150,
-                  onUpdate: function(event) {
-                    var order = this.toArray().join("&") + "&action=updateSlidesPosition";
-                    $.post("' . $this->context->shop->physical_uri . $this->context->shop->virtual_uri . 'modules/' . $this->name . '/ajax_' . $this->name . '.php?secure_key=' . $this->secure_key . '", order);
-                  }
-                });
-                $mySlides.hover(function() {
-                    $(this).css("cursor","move");
-                    },
-                    function() {
-                    $(this).css("cursor","auto");
+        // Add sortable library
+        $this->context->controller->addJS($this->_path . 'js/Sortable.min.js?v=' . $this->version);
+
+        // Add sorting scripts
+        $html = '
+        <script type="text/javascript">
+            $(function () {
+                var slideList = $("#slides");
+            
+                // Check if the list exists, so we dont run it on edit page
+                if (!slideList.length) {
+                return;
+                }
+            
+                new Sortable(slideList[0], {
+                animation: 150,
+                onUpdate: function (event) {
+                    var sortableIdsAsTableString = this.toArray();
+                    var sortableIdsAsData = sortableIdsAsTableString.map((x) => x.slice(-1));
+                    var ajaxCallParameters = {
+                    ajax: true,
+                    action: "updateSlidesPosition",
+                    slides: sortableIdsAsData
+                    };
+                    $.ajax({
+                    type: "POST",
+                    cache: false,
+                    url: "' . $this->context->link->getAdminLink('AdminConfigureSlides') . '",
+                    data: ajaxCallParameters
+                    });
+                }
                 });
+            
+                slideList.hover(
+                function () {
+                    $(this).css("cursor", "move");
+                },
+                function () {
+                    $(this).css("cursor", "auto");
+                }
+                );
             });
         </script>';
 
@@ -654,7 +707,15 @@ public function getNextPosition()
         return ++$row['next_position'];
     }
 
-    public function getSlides($active = null)
+    /**
+     * Get slides
+     *
+     * @param bool $active
+     * @param bool $forceShowAll Include all slides, even those without image for a given language
+     *
+     * @return array
+     */
+    public function getSlides($active = null, $forceShowAll = false)
     {
         $this->context = Context::getContext();
         $id_shop = $this->context->shop->id;
@@ -667,8 +728,8 @@ public function getSlides($active = null)
             LEFT JOIN ' . _DB_PREFIX_ . 'homeslider_slides hss ON (hs.id_homeslider_slides = hss.id_homeslider_slides)
             LEFT JOIN ' . _DB_PREFIX_ . 'homeslider_slides_lang hssl ON (hss.id_homeslider_slides = hssl.id_homeslider_slides)
             WHERE id_shop = ' . (int) $id_shop . '
-            AND hssl.id_lang = ' . (int) $id_lang . '
-            AND hssl.`image` <> ""' .
+            AND hssl.id_lang = ' . (int) $id_lang .
+            ($forceShowAll ? '' : ' AND hssl.`image` <> ""') .
             ($active ? ' AND hss.`active` = 1' : ' ') . '
             ORDER BY hss.position'
         );
@@ -731,7 +792,7 @@ public function slideExists($id_slide)
 
     public function renderList()
     {
-        $slides = $this->getSlides();
+        $slides = $this->getSlides(null, true);
         foreach ($slides as $key => $slide) {
             $slides[$key]['status'] = $this->displayStatus($slide['id_slide'], $slide['active']);
             $associated_shop_ids = Ps_HomeSlide::getAssociatedIdsShop((int) $slide['id_slide']);
diff --git a/upgrade/upgrade-3.2.0.php b/upgrade/upgrade-3.2.0.php
new file mode 100644
index 0000000..6e54416
--- /dev/null
+++ b/upgrade/upgrade-3.2.0.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
+ * International Registered Trademark & Property of PrestaShop SA
+ */
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_3_2_0($object)
+{
+    return $object->installTab();
+}