diff --git a/scandir.py b/scandir.py
index 3f602fb..40af3e5 100644
--- a/scandir.py
+++ b/scandir.py
@@ -23,6 +23,7 @@ from os import listdir, lstat, stat, strerror
 from os.path import join, islink
 from stat import S_IFDIR, S_IFLNK, S_IFREG
 import collections
+import platform
 import sys
 
 try:
@@ -432,6 +433,15 @@ elif sys.platform.startswith(('linux', 'darwin', 'sunos5')) or 'bsd' in sys.plat
                     ('__d_padding', ctypes.c_uint8 * 4),
                     ('d_name', ctypes.c_char * 256),
                 )
+            elif 'darwin' in sys.platform and 'arm64' in platform.machine():
+                _fields_ = (
+                    ('d_ino', ctypes.c_uint64),
+                    ('d_off', ctypes.c_uint64),
+                    ('d_reclen', ctypes.c_uint16),
+                    ('d_namlen', ctypes.c_uint16),
+                    ('d_type', ctypes.c_uint8),
+                    ('d_name', ctypes.c_char * 1024),
+                )
             else:
                 _fields_ = (
                     ('d_ino', ctypes.c_uint32),  # must be uint32, not ulong