diff --git a/srcs/parsing/syntax/syntax.c b/srcs/parsing/syntax/syntax.c
index 1f0fdc9..15c7ba2 100644
--- a/srcs/parsing/syntax/syntax.c
+++ b/srcs/parsing/syntax/syntax.c
@@ -21,7 +21,11 @@ static int	parenthesis_error(t_node *cpy)
 	if (!ft_strncmp(cpy->val, ")", 1) && cpy->next
 		&& !ft_strncmp(cpy->next->val, "(", 1))
 		return (syntax_err_mess(cpy->next->val, 0));
-	if (is_aop_operator(cpy) && !ft_strncmp(cpy->next->val, ")", 1))
+	if (is_aop_operator(cpy) && cpy->next
+		&& !ft_strncmp(cpy->next->val, ")", 1))
+		return (syntax_err_mess(cpy->next->val, 0));
+	if (cpy->next && !ft_strncmp(cpy->next->val, "(", 1)
+		&& !is_aop_operator(cpy))
 		return (syntax_err_mess(cpy->next->val, 0));
 	return (0);
 }
diff --git a/srcs/parsing/syntax/syntax_utils2.c b/srcs/parsing/syntax/syntax_utils2.c
index 9a5e220..fa9eceb 100644
--- a/srcs/parsing/syntax/syntax_utils2.c
+++ b/srcs/parsing/syntax/syntax_utils2.c
@@ -42,9 +42,9 @@ int	check_unclosed(char *c, t_node *node)
 	count = 0;
 	while (cpy)
 	{
-		if (!ft_strncmp(&c[0], cpy->val, 1))
+		if (!ft_strncmp(&c[0], cpy->val, 1) && count >= 0)
 			count++;
-		if (!ft_strncmp(&c[1], cpy->val, 1) && count != 0)
+		if (!ft_strncmp(&c[1], cpy->val, 1))
 			count--;
 		cpy = cpy->next;
 	}