diff --git a/srcd/bonus/ft_lstlast.c b/srcd/bonus/ft_lstlast.c
index 630b66a..e6173f2 100644
--- a/srcd/bonus/ft_lstlast.c
+++ b/srcd/bonus/ft_lstlast.c
@@ -6,7 +6,7 @@
 /*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/25 14:14:49 by hulamy            #+#    #+#             */
-/*   Updated: 2019/11/25 14:30:20 by hulamy           ###   ########.fr       */
+/*   Updated: 2019/11/28 16:43:18 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -93,7 +93,8 @@
 
 t_list	*ft_lstlast(t_list *lst)
 {
-	while (lst->next)
-		lst = lst->next;
+	if (lst)
+		while (lst->next)
+			lst = lst->next;
 	return (lst);
 }
diff --git a/srcs/ft_lstlast.c b/srcs/ft_lstlast.c
index 630b66a..b562025 100644
--- a/srcs/ft_lstlast.c
+++ b/srcs/ft_lstlast.c
@@ -6,7 +6,7 @@
 /*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/25 14:14:49 by hulamy            #+#    #+#             */
-/*   Updated: 2019/11/25 14:30:20 by hulamy           ###   ########.fr       */
+/*   Updated: 2019/11/28 16:42:21 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -93,7 +93,8 @@
 
 t_list	*ft_lstlast(t_list *lst)
 {
-	while (lst->next)
-		lst = lst->next;
+	if (lst)
+		while (lst->next)
+			lst = lst->next;
 	return (lst);
 }