diff --git a/Makefile b/Makefile
index ea641cc..a86efaf 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ NAME = minishell
 
 CC = clang
 
-CFLAGS = -Wall -Wextra $(INCLUDES) -g # add -Werror, del -g
+CFLAGS = -Wall -Wextra -Werror $(INCLUDES) -g # del -g
 
 VPATH  = $(DIR_SRCS)
 DIR_SRCS =	srcs \
diff --git a/headers/minishell_prototypes.h b/headers/minishell_prototypes.h
index a3996de..1d85c13 100644
--- a/headers/minishell_prototypes.h
+++ b/headers/minishell_prototypes.h
@@ -6,15 +6,15 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 02:59:58 by lperrey           #+#    #+#             */
-/*   Updated: 2021/12/20 15:07:39 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/12/20 17:49:56 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef MINISHELL_PROTOTYPES_H
 # define MINISHELL_PROTOTYPES_H
 
-extern int	g_switch_heredoc_sigint;
-extern char	**environ;
+extern int		g_switch_heredoc_sigint;
+extern char		**environ;
 
 // Init
 int		init(t_all *c, char *argv[]);
@@ -97,7 +97,7 @@ void	sigint_handler_interactive(int signum);
 void	sigint_handler_heredoc(int signum);
 
 // last_exit_status
-int	set_last_exit_status(int new_value);
-int	get_last_exit_status(void);
+int		set_last_exit_status(int new_value);
+int		get_last_exit_status(void);
 
 #endif
diff --git a/headers/minishell_structs.h b/headers/minishell_structs.h
index 8fe4e6b..feaaa7e 100644
--- a/headers/minishell_structs.h
+++ b/headers/minishell_structs.h
@@ -6,14 +6,14 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/08 02:35:52 by lperrey           #+#    #+#             */
-/*   Updated: 2021/12/16 06:34:29 by lperrey          ###   ########.fr       */
+/*   Updated: 2021/12/20 17:24:45 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef MINISHELL_STRUCTS_H
 # define MINISHELL_STRUCTS_H
 
-struct	s_all;
+struct			s_all;
 
 typedef struct s_token
 {