diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index 685c8780e8b..cfefdaf7ab3 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -146,6 +146,15 @@ if ($action == 'other')
 	
 	$value = GETPOST('activate_useProdFournDesc', 'alpha');
 	$res = dolibarr_set_const($db, "PRODUIT_FOURN_TEXTS", $value,'chaine',0,'',$conf->entity);
+	if ($value) {
+	    $sql_test = "SELECT count(desc_fourn) as cpt FROM ".MAIN_DB_PREFIX."product_fournisseur_price WHERE 1";
+	    $resql = $db->query($sql_test);
+	    if (!$resql && $db->lasterrno == 'DB_ERROR_NOSUCHFIELD') // if the field does not exist, we create it
+	    {
+	        $sql_new = "ALTER TABLE ".MAIN_DB_PREFIX."product_fournisseur_price ADD COLUMN desc_fourn text";
+	        $resql_new = $db->query($sql_new);
+	    }
+	}
 }
 
 if ($action == 'specimen') // For products