diff --git a/Makefile b/Makefile
index c8e62e1..884e77a 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/11/12 11:05:05 by rparodi           #+#    #+#              #
-#    Updated: 2024/10/30 16:48:22 by rparodi          ###   ########.fr        #
+#    Updated: 2024/10/31 11:16:34 by rparodi          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -31,6 +31,7 @@ CFLAGS += -g3 -MMD
 INCLUDES =	./includes/
 
 SRC =	sources/main.c \
+		sources/error.c \
 		parsing/arguments.c
 
 # Objects
diff --git a/includes/cub3d.h b/includes/cub3d.h
index cfd9621..a793ece 100644
--- a/includes/cub3d.h
+++ b/includes/cub3d.h
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/30 16:30:26 by rparodi           #+#    #+#             */
-/*   Updated: 2024/10/30 17:01:03 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/10/31 11:17:40 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,6 +27,7 @@
 #  define BONUS 0
 # endif
 
+void	print_error(char *msg);
 bool	ft_parse_args(int argc, char *argv[]);
 int		main(int argc, char *argv[]);
 
diff --git a/includes/message_error.h b/includes/message_error.h
index 2984478..b6d778d 100644
--- a/includes/message_error.h
+++ b/includes/message_error.h
@@ -6,14 +6,17 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/30 16:43:20 by rparodi           #+#    #+#             */
-/*   Updated: 2024/10/31 10:38:21 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/10/31 11:23:20 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef MESSAGE_ERROR_H
 # define MESSAGE_ERROR_H
 
-# define ERR_ARGS_COUNT "Error:\nYou have to give only the map on arguments !\n"
-# define INV_NAME_MAP "Error:\nThe name of the map have to finish by `.cub` !\n"
+# define ERR_ARGS_COUNT "You have to give only the map on arguments !\n"
+# define INV_NAME_MAP "The name of the map have to finish by `.cub` !\n"
 
+# define RED "\x1b[31m"
+# define BOLD_RED "\033[1;31m"
+# define RESET "\x1b[K\x1b[0m"
 #endif
diff --git a/parsing/arguments.c b/parsing/arguments.c
index 1b7035f..d807fed 100644
--- a/parsing/arguments.c
+++ b/parsing/arguments.c
@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/30 16:41:32 by rparodi           #+#    #+#             */
-/*   Updated: 2024/10/31 10:37:56 by rparodi          ###   ########.fr       */
+/*   Updated: 2024/10/31 11:23:05 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -24,9 +24,9 @@
 bool	ft_parse_args(int argc, char *argv[])
 {
 	if (argc != 2)
-		return (write(2, ERR_ARGS_COUNT, strlen(ERR_ARGS_COUNT)), false);
+		return (print_error(ERR_ARGS_COUNT), false);
 	if (strlen(argv[1]) < 4 || \
 		strcmp((argv[1] + (strlen(argv[1]) - 4)), ".cub") != 0)
-		return (write(2, INV_NAME_MAP, strlen(INV_NAME_MAP)), false);
+		return (print_error(INV_NAME_MAP), false);
 	return (true);
 }
diff --git a/sources/error.c b/sources/error.c
new file mode 100644
index 0000000..cdbe9b8
--- /dev/null
+++ b/sources/error.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   error.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/31 11:09:00 by rparodi           #+#    #+#             */
+/*   Updated: 2024/10/31 11:21:59 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "cub3d.h"
+
+#include <string.h>
+
+void	print_error(char *msg)
+{
+	write(2, BOLD_RED, strlen(BOLD_RED));
+	write(2, "Error:\n", strlen("Error:\n"));
+	write(2, RESET, strlen(RESET));
+	write(2, RED, strlen(RED));
+	write(2, msg, strlen(msg));
+	write(2, RESET, strlen(RESET));
+}