diff --git a/setup.py b/setup.py
index bdbd93fb..ee4c54dc 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 
 setup(name='thefuck',
-      version="1.20",
+      version="1.21",
       description="Magnificent app which corrects your previous console command",
       author='Vladimir Iakovlev',
       author_email='nvbn.rm@gmail.com',
diff --git a/thefuck/rules/no_command.py b/thefuck/rules/no_command.py
index bf5b86da..cfeab056 100644
--- a/thefuck/rules/no_command.py
+++ b/thefuck/rules/no_command.py
@@ -13,7 +13,7 @@ def _safe(fn, fallback):
 def _get_all_bins():
     return [exe.name
             for path in os.environ['PATH'].split(':')
-            for exe in _safe(Path(path).iterdir, [])
+            for exe in _safe(lambda: Path(path).iterdir(), [])
             if not _safe(exe.is_dir, True)]