diff --git a/mlist.c b/mlist.c
index 6fcfb66..65ed485 100644
--- a/mlist.c
+++ b/mlist.c
@@ -145,7 +145,7 @@ listdir(char *dir)
 
 		for (bpos = 0; bpos < nread; bpos += d->d_reclen) {
 			d = (struct linux_dirent64 *)(buf + bpos);
-			if (d->d_type != DT_REG && d->d_type != DT_UNKNOWN)
+			if (!MAIL_DT(d->d_type))
 				continue;
 			if (d->d_name[0] == '.')
 				continue;
@@ -166,7 +166,7 @@ listdir(char *dir)
 	if (!fd)
 		return;
 	while ((d = readdir(fd))) {
-		if (d->d_type != DT_REG && d->d_type != DT_UNKNOWN)
+		if (!MAIL_DT(d->d_type))
 			continue;
 		if (d->d_name[0] == '.')
 			continue;