diff --git a/catalog/admin/categories.php b/catalog/admin/categories.php
index 9f66ba8f6..7cb1eb350 100644
--- a/catalog/admin/categories.php
+++ b/catalog/admin/categories.php
@@ -242,8 +242,8 @@
                                 'products_weight' => (float)HTML::sanitize($_POST['products_weight']),
                                 'products_status' => HTML::sanitize($_POST['products_status']),
                                 'products_tax_class_id' => HTML::sanitize($_POST['products_tax_class_id']),
-                                'manufacturers_id' => (int)HTML::sanitize($_POST['manufacturers_id']));
-        $sql_data_array['products_gtin'] = (tep_not_null($_POST['products_gtin'])) ? str_pad(HTML::sanitize($_POST['products_gtin']), 14, '0', STR_PAD_LEFT) : 'null';
+                                'manufacturers_id' => (int)HTML::sanitize($_POST['manufacturers_id']),
+                                'products_gtin' => tep_not_null($_POST['products_gtin']) ? str_pad(HTML::sanitize($_POST['products_gtin']), 14, '0', STR_PAD_LEFT) : 'null');
 
         $products_image = new upload('products_image');
         $products_image->set_destination(OSCOM::getConfig('dir_root', 'Shop') . 'images/');
@@ -743,7 +743,7 @@ function updateNet() {
             <div class="row">
               <?= OSCOM::getDef('text_products_weight') . HTML::inputField('products_weight', $pInfo->products_weight); ?>
             </div>
-            
+
             <div class="row">
               <?= OSCOM::getDef('text_products_gtin') . HTML::inputField('products_gtin', $pInfo->products_gtin); ?>
             </div>
diff --git a/catalog/includes/OSC/Schema/products.txt b/catalog/includes/OSC/Schema/products.txt
index bdf0ec93c..a7aa0ff61 100644
--- a/catalog/includes/OSC/Schema/products.txt
+++ b/catalog/includes/OSC/Schema/products.txt
@@ -11,7 +11,7 @@ products_status tinyint(1) not_null
 products_tax_class_id int not_null
 manufacturers_id int
 products_ordered int default(0) not_null
-products_gtin char(14) null
+products_gtin char(14)
 --
 primary products_id
 idx_products_model products_model
diff --git a/catalog/includes/modules/content/product_info/cm_pi_gtin.php b/catalog/includes/modules/content/product_info/cm_pi_gtin.php
index 127989c63..ff573325d 100644
--- a/catalog/includes/modules/content/product_info/cm_pi_gtin.php
+++ b/catalog/includes/modules/content/product_info/cm_pi_gtin.php
@@ -6,6 +6,7 @@
   * @license MIT; https://www.oscommerce.com/license/mit.txt
   */
 
+  use OSC\OM\HTML;
   use OSC\OM\OSCOM;
   use OSC\OM\Registry;
 
@@ -35,7 +36,7 @@ function execute() {
       global $oscTemplate;
 
       $content_width = (int)MODULE_CONTENT_PRODUCT_INFO_GTIN_CONTENT_WIDTH;
-      
+
       $OSCOM_Db = Registry::get('Db');
 
       $Qgtin = $OSCOM_Db->prepare('select products_gtin from :table_products where products_id = :products_id');
@@ -43,14 +44,21 @@ function execute() {
       $Qgtin->execute();
 
       if ($Qgtin->fetch() !== false) {
-        $gtin = $Qgtin->valueProtected('products_gtin')
-        $gtin = substr($gtin, 0-MODULE_CONTENT_PRODUCT_INFO_GTIN_LENGTH);
+        $gtin = $Qgtin->value('products_gtin');
+
+        if (!empty($gtin)) {
+          $gtin = substr($gtin, 0 - MODULE_CONTENT_PRODUCT_INFO_GTIN_LENGTH);
+
+          if (!empty($gtin)) {
+            $gtin = HTML::outputProtected($gtin);
 
-        ob_start();
-        include('includes/modules/content/' . $this->group . '/templates/gtin.php');
-        $template = ob_get_clean();
+            ob_start();
+            include('includes/modules/content/' . $this->group . '/templates/gtin.php');
+            $template = ob_get_clean();
 
-        $oscTemplate->addContent($template, $this->group);
+            $oscTemplate->addContent($template, $this->group);
+          }
+        }
       }
     }
 
diff --git a/catalog/includes/modules/content/product_info/templates/gtin.php b/catalog/includes/modules/content/product_info/templates/gtin.php
index 10c77b7cf..b143717f5 100644
--- a/catalog/includes/modules/content/product_info/templates/gtin.php
+++ b/catalog/includes/modules/content/product_info/templates/gtin.php
@@ -1,8 +1,12 @@
+<?php
+use OSC\OM\OSCOM;
+?>
+
 <div class="col-sm-<?php echo $content_width; ?> gtin">
   <ul class="list-group">
     <li class="list-group-item">
       <span itemprop="gtin<?php echo MODULE_CONTENT_PRODUCT_INFO_GTIN_LENGTH; ?>" class="badge"><?php echo $gtin; ?></span>
-      <?php echo MODULE_CONTENT_PRODUCT_INFO_GTIN_PUBLIC_TITLE; ?>
+      <?php echo OSCOM::getDef('module_content_product_info_gtin_public_title'); ?>
     </li>
   </ul>
 </div>