diff --git a/ports/unix/modos.c b/ports/unix/modos.c
index d99d0d62c9..2c32cdd41e 100644
--- a/ports/unix/modos.c
+++ b/ports/unix/modos.c
@@ -172,12 +172,24 @@ STATIC mp_obj_t listdir_next(mp_obj_t self_in) {
 
     mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(3, NULL));
     t->items[0] = mp_obj_new_str(dirent->d_name, strlen(dirent->d_name));
+
     #ifdef _DIRENT_HAVE_D_TYPE
-    t->items[1] = MP_OBJ_NEW_SMALL_INT(dirent->d_type);
+    #ifdef DTTOIF
+    t->items[1] = MP_OBJ_NEW_SMALL_INT(DTTOIF(dirent->d_type));
+    #else
+    if (dirent->d_type == DT_DIR) {
+        t->items[1] = MP_OBJ_NEW_SMALL_INT(MP_S_IFDIR);
+    } else if (dirent->d_type == DT_REG) {
+        t->items[1] = MP_OBJ_NEW_SMALL_INT(MP_S_IFREG);
+    } else {
+        t->items[1] = MP_OBJ_NEW_SMALL_INT(dirent->d_type);
+    }
+    #endif
     #else
     // DT_UNKNOWN should have 0 value on any reasonable system
     t->items[1] = MP_OBJ_NEW_SMALL_INT(0);
     #endif
+
     #ifdef _DIRENT_HAVE_D_INO
     t->items[2] = MP_OBJ_NEW_SMALL_INT(dirent->d_ino);
     #else