diff --git a/Lib/importlib/_adapters.py b/Lib/importlib/_adapters.py
index eedde49dd03..e72edd10705 100644
--- a/Lib/importlib/_adapters.py
+++ b/Lib/importlib/_adapters.py
@@ -46,10 +46,11 @@ def is_dir(self):
         def joinpath(self, other):
             return DegenerateFiles.Path()
 
+        @property
         def name(self):
             return ''
 
-        def open(self):
+        def open(self, mode='rb', *args, **kwargs):
             raise ValueError()
 
     def __init__(self, spec):
diff --git a/Misc/NEWS.d/next/Library/2021-10-09-20-53-13.bpo-45419.CauCgt.rst b/Misc/NEWS.d/next/Library/2021-10-09-20-53-13.bpo-45419.CauCgt.rst
new file mode 100644
index 00000000000..a901d745381
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-10-09-20-53-13.bpo-45419.CauCgt.rst
@@ -0,0 +1 @@
+Correct interfaces on DegenerateFiles.Path.