diff --git a/Makefile b/Makefile
index 80bd54f..a140c93 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: apommier <apommier@student.42.fr>          +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2021/11/13 13:06:47 by apommier          #+#    #+#              #
-#    Updated: 2022/01/19 05:41:28 by apommier         ###   ########.fr        #
+#    Updated: 2022/01/19 18:49:46 by apommier         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -50,7 +50,7 @@ bonus:${BONUS_O}
 		gcc -g ${CFLAGS} ${BONUS_O} ${LIBFT}/libft.a 
 		mv a.out checker
 
-all:	${NAME}
+all:	${NAME} bonus
 
 clean:
 		${RM} ${OBJS}
diff --git a/Utils/push_swap.c b/Utils/push_swap.c
index cd52723..3af1810 100644
--- a/Utils/push_swap.c
+++ b/Utils/push_swap.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/25 23:10:37 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 18:33:54 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 19:01:19 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/Utils/push_swap.h b/Utils/push_swap.h
index 99b743d..da4948e 100644
--- a/Utils/push_swap.h
+++ b/Utils/push_swap.h
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/25 23:15:17 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 18:38:00 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 18:45:38 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,6 +23,7 @@ typedef struct procest_slist
 	struct procest_slist	*next;
 }				t_slist;
 
+int		max_int(t_list *start);
 int		push_swap(int nbrarg, char **list);
 int		is_nbr(int nbrarg, char **list, int i);
 t_list	*set_list(int nbrarg, char **list);
diff --git a/checker_folder/checker_utils.c b/checker_folder/checker_utils.c
index f8f268e..5e32c8e 100644
--- a/checker_folder/checker_utils.c
+++ b/checker_folder/checker_utils.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/01/18 02:14:22 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 06:10:06 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 18:56:16 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -31,3 +31,22 @@ int	do_move2(t_list **lst, t_list **lst_b, t_slist *a, t_slist **delete)
 	s_lstclear(delete);
 	return (1);
 }
+
+int	max_int(t_list *start)
+{
+	long long	swap;
+	t_list		*lst;
+
+	lst = start;
+	swap = 0;
+	while (start)
+	{
+		swap = *(long long *)start->nbr;
+		if (swap > 2147483647 || swap < -2147483648)
+		{
+			return (1);
+		}
+		start = start->next;
+	}
+	return (0);
+}
diff --git a/checker_folder/main.c b/checker_folder/main.c
index adfd526..3150555 100644
--- a/checker_folder/main.c
+++ b/checker_folder/main.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/01/17 21:29:45 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 06:07:41 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 18:58:47 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -78,6 +78,11 @@ int	checker(t_slist *action, t_list **a)
 	t_list	*lst_b;
 	int		lst_size;
 
+	if (max_int(*a))
+	{
+		ft_putstr_fd("Error\n", 2);
+		return (0);
+	}
 	lst_size = ft_lstsize(*a);
 	lst_b = 0;
 	action = verify_list(action);