diff --git a/pywasm/wasi.py b/pywasm/wasi.py
index 9833388..b8d6053 100644
--- a/pywasm/wasi.py
+++ b/pywasm/wasi.py
@@ -1,5 +1,6 @@
 import dataclasses
 import os
+import platform
 import pywasm.core
 import random
 import select
@@ -1259,7 +1260,9 @@ def path_remove_directory(self, m: pywasm.core.Machine, args: typing.List[int])
         except NotADirectoryError:
             return [self.ERRNO_NOTDIR]
         except OSError as e:
-            if len(os.listdir(file.host_fd)) != 0:
+            if platform.system().lower() == 'darwin' and e.errno == 66:
+                return [self.ERRNO_NOTEMPTY]
+            if platform.system().lower() == 'linux' and e.errno == 39:
                 return [self.ERRNO_NOTEMPTY]
             raise e
         return [self.ERRNO_SUCCESS]
@@ -1292,7 +1295,9 @@ def path_rename(self, m: pywasm.core.Machine, args: typing.List[int]) -> typing.
         except NotADirectoryError:
             return [self.ERRNO_NOTDIR]
         except OSError as e:
-            if len(os.listdir(dest.host_fd)) != 0:
+            if platform.system().lower() == 'darwin' and e.errno == 66:
+                return [self.ERRNO_NOTEMPTY]
+            if platform.system().lower() == 'linux' and e.errno == 39:
                 return [self.ERRNO_NOTEMPTY]
             raise e
         return [self.ERRNO_SUCCESS]