diff --git a/ps_imageslider.php b/ps_imageslider.php
index 832cc01..72a71ed 100644
--- a/ps_imageslider.php
+++ b/ps_imageslider.php
@@ -514,17 +514,18 @@ protected function _postProcess()
                 ) {
                     $temp_name = tempnam(_PS_TMP_IMG_DIR_, 'PS');
                     $salt = sha1(microtime());
+                    $file_name = Tools::str2url($_FILES['image_' . $language['id_lang']]['name']) . $type;
                     if ($error = ImageManager::validateUpload($_FILES['image_' . $language['id_lang']])) {
                         $errors[] = $error;
                     } elseif (!$temp_name || !move_uploaded_file($_FILES['image_' . $language['id_lang']]['tmp_name'], $temp_name)) {
                         return false;
-                    } elseif (!ImageManager::resize($temp_name, __DIR__ . '/images/' . $salt . '_' . $_FILES['image_' . $language['id_lang']]['name'], null, null, $type)) {
+                    } elseif (!ImageManager::resize($temp_name, __DIR__ . '/images/' . $salt . '_' . $file_name, null, null, $type)) {
                         $errors[] = $this->displayError($this->trans('An error occurred during the image upload process.', [], 'Admin.Notifications.Error'));
                     }
                     if (file_exists($temp_name)) {
                         @unlink($temp_name);
                     }
-                    $slide->image[$language['id_lang']] = $salt . '_' . $_FILES['image_' . $language['id_lang']]['name'];
+                    $slide->image[$language['id_lang']] = $salt . '_' . $file_name;
                 } elseif (Tools::getValue('image_old_' . $language['id_lang']) != '') {
                     $slide->image[$language['id_lang']] = Tools::getValue('image_old_' . $language['id_lang']);
                 }