diff --git a/libft/Makefile b/libft/Makefile
index 9a13305..7488839 100644
--- a/libft/Makefile
+++ b/libft/Makefile
@@ -6,7 +6,7 @@
 #    By: gbaconni <gbaconni@42lausanne.ch>          +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2021/10/22 09:10:00 by gbaconni          #+#    #+#              #
-#    Updated: 2021/10/22 14:53:45 by gbaconni         ###   ########.fr        #
+#    Updated: 2021/10/22 15:02:43 by gbaconni         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 #
@@ -43,14 +43,14 @@ a: update compile
 	@./$(OUT) || true
 
 b: compile
-	@grep -q 'update message' libftTester/Makefile && sed -i .orig 's/update \(message\)/\1/g' libftTester/Makefile || true
-	@grep -q '/libft$$' libftTester/Makefile || sed -i .orig 's/^\(PARENT_DIR.*\)/\1\/libft/' libftTester/Makefile || true
+	@grep -q 'update message' libftTester/Makefile && sed -i'.orig' -e 's/update \(message\)/\1/g' libftTester/Makefile || true
+	@grep -q '/libft$$' libftTester/Makefile || sed -i'.orig' -e 's/^\(PARENT_DIR.*\)/\1\/libft/' libftTester/Makefile || true
 	@make -C libftTester m || true
 	@make -C libftTester b || true
 
 c: compile
 	@test -f Libftest/my_config.sh || (cd Libftest && ./grademe.sh >/dev/null 2>&1) || true
-	@grep -q '^PATH_LIBFT=\.\./libft' Libftest/my_config.sh || sed -i .orig 's/^\(PATH_LIBFT\)=.*/\1=..\/libft/' Libftest/my_config.sh
+	@grep -q '^PATH_LIBFT=\.\./libft' Libftest/my_config.sh || sed -i'.orig' -e 's/^\(PATH_LIBFT\)=.*/\1=..\/libft/' Libftest/my_config.sh
 	@cd Libftest && ./grademe.sh || true
 
 d: compile