diff --git a/htdocs/includes/menus/barre_left/eldy_backoffice.php b/htdocs/includes/menus/barre_left/eldy_backoffice.php
index 1d1604da403..f54e5c9d590 100644
--- a/htdocs/includes/menus/barre_left/eldy_backoffice.php
+++ b/htdocs/includes/menus/barre_left/eldy_backoffice.php
@@ -577,7 +577,8 @@ class MenuLeft {
 					{
 						$newmenu->add_submenu(DOL_URL_ROOT."/product/fiche.php?leftmenu=product&action=create&type=0", $langs->trans("NewProduct"), 1, $user->rights->produit->creer);
 						$newmenu->add_submenu(DOL_URL_ROOT."/product/liste.php?leftmenu=product&type=0", $langs->trans("ProductList"), 1, $user->rights->produit->lire);
-						if((dolibarr_get_const($this->db,"PRODUIT_SPECIAL_LIVRE")) && (dolibarr_get_const($this->db,"PRODUCT_CANVAS_ABILITY"))){
+						if (! empty($conf->global->PRODUIT_SPECIAL_LIVRE) && ! empty($conf->global->PRODUCT_CANVAS_ABILITY))
+						{
 							$newmenu->add_submenu(DOL_URL_ROOT."/product/fiche.php?leftmenu=product&action=create&type=0&canvas=livre", $langs->trans("NewBook"), 1, $user->rights->produit->creer);
 							$newmenu->add_submenu(DOL_URL_ROOT."/product/liste.php?leftmenu=product&type=0&canvas=livre", $langs->trans("BookList"), 1, $user->rights->produit->creer);
 						}
diff --git a/htdocs/includes/menus/barre_left/eldy_frontoffice.php b/htdocs/includes/menus/barre_left/eldy_frontoffice.php
index db9903234e2..957f3e08e74 100644
--- a/htdocs/includes/menus/barre_left/eldy_frontoffice.php
+++ b/htdocs/includes/menus/barre_left/eldy_frontoffice.php
@@ -558,8 +558,13 @@ class MenuLeft {
 					if ($user->societe_id == 0)
 					{
 						$newmenu->add_submenu(DOL_URL_ROOT."/product/fiche.php?leftmenu=product&action=create&type=0", $langs->trans("NewProduct"), 1, $user->rights->produit->creer);
+						$newmenu->add_submenu(DOL_URL_ROOT."/product/liste.php?leftmenu=product&type=0", $langs->trans("ProductList"), 1, $user->rights->produit->lire);
+						if (! empty($conf->global->PRODUIT_SPECIAL_LIVRE) && ! empty($conf->global->PRODUCT_CANVAS_ABILITY))
+						{
+							$newmenu->add_submenu(DOL_URL_ROOT."/product/fiche.php?leftmenu=product&action=create&type=0&canvas=livre", $langs->trans("NewBook"), 1, $user->rights->produit->creer);
+							$newmenu->add_submenu(DOL_URL_ROOT."/product/liste.php?leftmenu=product&type=0&canvas=livre", $langs->trans("BookList"), 1, $user->rights->produit->creer);
+						}
 					}
-					$newmenu->add_submenu(DOL_URL_ROOT."/product/liste.php?leftmenu=product&type=0", $langs->trans("List"), 1, $user->rights->produit->lire);
 					if ($conf->stock->enabled)
 					{
 						$newmenu->add_submenu(DOL_URL_ROOT."/product/reassort.php?type=0", $langs->trans("Stocks"), 1, $user->rights->stock->lire);