diff --git a/Makefile b/Makefile
index c6c2120..e94768d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 NAME = cub3D
 
-CC = cc
+CC = gcc
 
 OBJSDIR = obj/
 
@@ -12,9 +12,7 @@ LIBFT_DIR = libft/
 
 INCLUDE = -I $(I_DIR) -I $(LIBFT_DIR)/$(I_DIR)
 
-SRCS = src/main.c \
-	   src/parsing/check_arg.c \
-	   src/utils/mess_error.c
+SRCS = $(shell find src -name '*.c')
 
 OBJS = $(addprefix $(OBJSDIR), $(SRCS:.c=.o))
 
@@ -22,7 +20,7 @@ FLAGS = -Wall -Werror -Wextra
 LIB = libft/libft.a
 
 $(NAME): $(OBJS)
-	@make -s -C libft
+	@make -sj $(nproc) -C libft
 	@$(CC) $(FLAGS) $(OBJS) $(LIB) -o $(NAME)
 	@echo "✅ Compiled"
 
diff --git a/cub3D b/cub3D
new file mode 100755
index 0000000..dd839b8
Binary files /dev/null and b/cub3D differ
diff --git a/include/cub3d.h b/includes/cub3d.h
similarity index 100%
rename from include/cub3d.h
rename to includes/cub3d.h
diff --git a/include/mess_err.h b/includes/mess_err.h
similarity index 100%
rename from include/mess_err.h
rename to includes/mess_err.h
diff --git a/src/main.c b/src/cub3d.c
similarity index 88%
rename from src/main.c
rename to src/cub3d.c
index 816e15b..6c11405 100644
--- a/src/main.c
+++ b/src/cub3d.c
@@ -1,16 +1,16 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   main.c                                             :+:      :+:    :+:   */
+/*   cub3d.c                                            :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: madumerg <madumerg@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/09/04 16:58:27 by madumerg          #+#    #+#             */
-/*   Updated: 2024/09/07 19:12:04 by madumerg         ###   ########.fr       */
+/*   Updated: 2024/09/11 11:10:39 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "../include/cub3d.h"
+#include "cub3d.h"
 
 char	**ft_parse_map(char *map)
 {
diff --git a/src/parsing/check_arg.c b/src/parsing/check_arg.c
index f17f593..fcd69c3 100644
--- a/src/parsing/check_arg.c
+++ b/src/parsing/check_arg.c
@@ -6,11 +6,11 @@
 /*   By: madumerg <madumerg@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/09/04 21:33:35 by madumerg          #+#    #+#             */
-/*   Updated: 2024/09/07 17:57:29 by madumerg         ###   ########.fr       */
+/*   Updated: 2024/09/11 11:11:05 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "../../include/cub3d.h"
+#include "cub3d.h"
 
 int	check_err_arg(int ac, char **av)
 {
diff --git a/src/utils/mess_error.c b/src/utils/mess_error.c
index 41446eb..c199dc9 100644
--- a/src/utils/mess_error.c
+++ b/src/utils/mess_error.c
@@ -6,11 +6,11 @@
 /*   By: madumerg <madumerg@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/09/07 17:35:14 by madumerg          #+#    #+#             */
-/*   Updated: 2024/09/07 17:40:57 by madumerg         ###   ########.fr       */
+/*   Updated: 2024/09/11 11:10:48 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "../../include/cub3d.h"
+#include "cub3d.h"
 
 int	err_mess(char *str)
 {