diff --git a/ft_isnum.c b/ft_isnum.c
index 15e96e7..29a05f0 100644
--- a/ft_isnum.c
+++ b/ft_isnum.c
@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/11/08 18:43:06 by cchauvet          #+#    #+#             */
-/*   Updated: 2022/12/11 17:49:49 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/01/19 17:28:17 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,11 +27,11 @@ int	ft_isnum(char *str)
 		return (0);
 	while (*str != '\0')
 	{
+		i = i * 10 + *str - '0';
 		if (i * sign > INT_MAX || INT_MIN > i * sign)
 			return (0);
 		if (!(*str >= '0' && *str <= '9'))
 			return (0);
-		i = i * 10 + *str - '0';
 		str++;
 	}
 	return (1);