diff --git a/Makefile b/Makefile
index 7e7b8e3..0086741 100644
--- a/Makefile
+++ b/Makefile
@@ -2,29 +2,30 @@
 #  variables names  #
 # - - - - - - - - - #
 
-NAME   = libftprintf.a
-CC     = gcc
-VPATH  = srcs
+NAME   =	libftprintf.a
+CC     =	gcc
+VPATH  =	srcs
 
-IDIR   = .
-_DEPS  = ft_printf.h
-DEPS   = $(_DEPS:%.h=$(IDIR)/%.h)
+IDIR   =	.
+_DEPS  =	ft_printf.h
+DEPS   =	$(_DEPS:%.h=$(IDIR)/%.h)
 
-LDIR   = ./libft/
-_LIBS  = libft.a
-LIBS   = $(_LIBS:lib%.a=%)
+LDIR   =	./libft/
+_LIBS  =	libft.a
+LIBS   =	$(_LIBS:lib%.a=%)
 
-SRCS   = ft_printf.c \
-         ft_next_word.c \
-		 ft_convert.c \
-		 ft_flag_transform.c \
-		 ft_flag_transform_bonus.c
+SRCS   =	ft_printf.c \
+        	ft_next_word.c \
+			ft_convert.c \
+			ft_flag_transform.c \
+			ft_flag_transform_bonus.c
 
-ODIR   = ./builds
-OBJS   = $(SRCS:%.c=$(ODIR)/%.o)
+ODIR   =	./builds
+OBJS   =	$(SRCS:%.c=$(ODIR)/%.o)
 
-CFLAGS = -I$(IDIR) -g
-LFLAGS = -L$(LDIR) -l$(LIBS)
+CFLAGS =	-I$(IDIR) -g
+CFLAGS +=	-Wall -Wextra -Werror
+LFLAGS =	-L$(LDIR) -l$(LIBS)
 
 # - - - - - - - - - - - #
 #   rules to execute    #
@@ -56,7 +57,8 @@ fclean: clean
 
 re: fclean all
 
-gcc:
-	$(CC) $(CFLAGS) main.c -L. -lftprintf
+gcc: 
+	$(CC) -I$(IDIR) -g main.c -L. -lftprintf
+
 
 .PHONY: all clean fclean re gcc
diff --git a/srcs/ft_flag_transform.c b/srcs/ft_flag_transform.c
index 04a56be..3c5b24d 100644
--- a/srcs/ft_flag_transform.c
+++ b/srcs/ft_flag_transform.c
@@ -105,7 +105,6 @@ char	*width_flags(char *print, char *s, int width, int zero)
 {
 	char	*tmp;
 	char	*minus;
-	char	c;
 	int		len;
 
 	len = ft_strlen(print) + zero;
@@ -165,7 +164,7 @@ char	*ft_width(char *s, char *print, int *size, char *type)
 	}
 	*size = ft_atoi(tmp);
 	tmp[0] = '\0';
-	if (*size > ft_strlen(print) + zero)
+	if ((unsigned int)*size > ft_strlen(print) + zero)
 		print = width_flags(print, s, *size, zero);
 	else
 		*size = ft_strlen(print) + zero;