diff --git a/Makefile b/Makefile
index 672b582..cfc5dab 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: kcolin <marvin@42.fr>                      +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2024/10/14 13:43:59 by kcolin            #+#    #+#              #
-#    Updated: 2024/10/14 14:49:30 by kcolin           ###   ########.fr        #
+#    Updated: 2024/10/14 14:57:24 by kcolin           ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -14,7 +14,8 @@ NAME = libft.a
 CFLAGS = -Wall -Wextra -Werror -ggdb
 SOURCES = ft_isalpha.c \
 	ft_isdigit.c \
-	ft_isalnum.c
+	ft_isalnum.c \
+	ft_isascii.c
 OBJECTS = $(SOURCES:.c=.o)
 CC = gcc
 
diff --git a/ft_isascii.c b/ft_isascii.c
new file mode 100644
index 0000000..a309cb2
--- /dev/null
+++ b/ft_isascii.c
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_isascii.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/14 14:57:45 by kcolin            #+#    #+#             */
+/*   Updated: 2024/10/14 15:00:06 by kcolin           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+int	ft_isascii(int c)
+{
+	if (c >= 0x0 && c <= 0x7f)
+		return (1);
+	else
+		return (0);
+}