diff --git a/libft/Libftest.patch b/libft/Libftest.patch
new file mode 100644
index 0000000..c85805f
--- /dev/null
+++ b/libft/Libftest.patch
@@ -0,0 +1,11 @@
+--- a/srcs/check_file.sh
++++ b/srcs/check_file.sh
+@@ -148,7 +148,7 @@ check_turned_in_functions()
+ 	printf "\n${text}" >> ${PATH_DEEPTHOUGHT}/deepthought
+ 	printf "%.s=" $(seq 1 $(( 80 - ${#text} ))) >> ${PATH_DEEPTHOUGHT}/deepthought
+ 	printf "\n" >> ${PATH_DEEPTHOUGHT}/deepthought
+-	if [[ -n $(echo ${LIB_CONTENT} | grep -w $(echo ${1})) ]]
++	if [[ -n $(echo ${LIB_CONTENT} | grep -w $(echo ${1})) ]] || [[ -n $(echo ${LIB_CONTENT} | grep -w _$(echo ${1})) ]]
+ 	then
+ 		retvalue=1
+ 		return "$retvalue"
diff --git a/libft/Makefile b/libft/Makefile
index 4d8032c..1f5d99a 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: 2021/10/27 10:07:41 by gbaconni         ###   ########.fr        #
+#    Updated: 2021/10/28 21:45:43 by gbaconni         ###   lausanne.ch        #
 #                                                                              #
 # **************************************************************************** #
 #
@@ -89,6 +89,7 @@ b: compile _libftTester
 	@make -C libftTester m || true
 
 _Libftest:
+	@patch -d Libftest -p1 --dry-run < Libftest.patch >/dev/null 2>&1 && patch -d Libftest -p1 < Libftest.patch || true
 	@test -f Libftest/my_config.sh || (cd Libftest && ./grademe.sh -u >/dev/null 2>&1) || true
 	@grep -q '^PATH_LIBFT=\.\./libft' Libftest/my_config.sh || sed -i'.orig' -e 's/^\(PATH_LIBFT\)=.*/\1=..\/libft/' Libftest/my_config.sh || true
 	@grep -q "'ft_memccpy'" Libftest/srcs/variables/functions/part_1.sh && sed -i'.orig' -e "/'ft_memccpy'/d" Libftest/srcs/variables/functions/part_1.sh || true