diff --git a/htdocs/core/modules/modProductBatch.class.php b/htdocs/core/modules/modProductBatch.class.php
index 3d8359ebc3a..79529898bb0 100644
--- a/htdocs/core/modules/modProductBatch.class.php
+++ b/htdocs/core/modules/modProductBatch.class.php
@@ -76,8 +76,24 @@ class modProductBatch extends DolibarrModules
 		$this->need_dolibarr_version = array(3, 0); // Minimum version of Dolibarr required by module
 		$this->langfiles = array("productbatch");
 
+		// Constants
 		// Constants
 		$this->const = array();
+		$r = 0;
+
+		$this->const[$r][0] = "PRODUCTBATCH_LOT_ADDON";
+		$this->const[$r][1] = "chaine";
+		$this->const[$r][2] = "mod_lot_free";
+		$this->const[$r][3] = 'Module to control product codes';
+		$this->const[$r][4] = 0;
+		$r++;
+
+		$this->const[$r][0] = "PRODUCTBATCH_SN_ADDON";
+		$this->const[$r][1] = "chaine";
+		$this->const[$r][2] = "mod_sn_free";
+		$this->const[$r][3] = 'Module to control product codes';
+		$this->const[$r][4] = 0;
+		$r++;
 
 		$this->tabs = array();
 
diff --git a/htdocs/product/admin/product_lot.php b/htdocs/product/admin/product_lot.php
index 13b47e56afd..37b8e0bc975 100644
--- a/htdocs/product/admin/product_lot.php
+++ b/htdocs/product/admin/product_lot.php
@@ -69,9 +69,9 @@ if ($action == 'updateMaskLot') {
 		setEventMessages($langs->trans("Error"), null, 'errors');
 	}
 } elseif ($action == 'setmodlot') {
-	dolibarr_set_const($db, "LOT_ADDON", $value, 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "PRODUCTBATCH_LOT_ADDON", $value, 'chaine', 0, '', $conf->entity);
 } elseif ($action == 'setmodsn') {
-	dolibarr_set_const($db, "SN_ADDON", $value, 'chaine', 0, '', $conf->entity);
+	dolibarr_set_const($db, "PRODUCTBATCH_SN_ADDON", $value, 'chaine', 0, '', $conf->entity);
 }
 
 /*
@@ -89,7 +89,7 @@ print load_fiche_titre($langs->trans("ProductLotSetup"), $linkback, 'title_setup
 
 $head = product_lot_admin_prepare_head();
 
-dol_fiche_head($head, 'settings', $langs->trans("Batch"), -1, 'productbatch');
+dol_fiche_head($head, 'settings', $langs->trans("Batch"), -1, 'lot');
 
 /*
  * Lot Numbering models
@@ -140,7 +140,7 @@ foreach ($dirmodels as $reldir) {
 						print '</td>'."\n";
 
 						print '<td class="center">';
-						if ($conf->global->LOT_ADDON == $file) {
+						if ($conf->global->PRODUCTBATCH_LOT_ADDON == $file) {
 							print img_picto($langs->trans("Activated"), 'switch_on');
 						} else {
 							print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmodlot&amp;value='.$file.'">';
@@ -232,7 +232,7 @@ foreach ($dirmodels as $reldir) {
 						print '</td>'."\n";
 
 						print '<td class="center">';
-						if ($conf->global->SN_ADDON == $file) {
+						if ($conf->global->PRODUCTBATCH_SN_ADDON == $file) {
 							print img_picto($langs->trans("Activated"), 'switch_on');
 						} else {
 							print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setmodsn&amp;value='.$file.'">';
diff --git a/htdocs/product/admin/product_lot_extrafields.php b/htdocs/product/admin/product_lot_extrafields.php
index fc14b4c142c..38af3a41f8d 100644
--- a/htdocs/product/admin/product_lot_extrafields.php
+++ b/htdocs/product/admin/product_lot_extrafields.php
@@ -77,7 +77,7 @@ print load_fiche_titre($title, $linkback, 'title_setup');
 
 $head = product_lot_admin_prepare_head();
 
-print dol_get_fiche_head($head, 'attributes', $textobject, -1, 'stock');
+print dol_get_fiche_head($head, 'attributes', $textobject, -1, 'lot');
 
 require DOL_DOCUMENT_ROOT.'/core/tpl/admin_extrafields_view.tpl.php';