diff --git a/libft_test/ft_isprint_test.c b/libft_test/ft_isprint_test.c
index c9e2861..992f574 100755
--- a/libft_test/ft_isprint_test.c
+++ b/libft_test/ft_isprint_test.c
@@ -93,10 +93,10 @@ int main(){
 	arg = 128;
 	test  (printf, "%d\n", ft_isprint(arg));
 	expect(printf, "%d\n",    isprint(arg));
-	arg = INT_MAX;
+	arg = INT_MAX - 1;
 	test  (printf, "%d\n", ft_isprint(arg));
 	expect(printf, "%d\n",    isprint(arg));
-	arg = INT_MIN;
+	arg = INT_MIN + 1;
 	test  (printf, "%d\n", ft_isprint(arg));
 	expect(printf, "%d\n",    isprint(arg));
 	return 0;