diff --git a/importlib_resources/readers.py b/importlib_resources/readers.py
index 4a80a77..7c85177 100644
--- a/importlib_resources/readers.py
+++ b/importlib_resources/readers.py
@@ -72,6 +72,10 @@ def __init__(self, *paths):
         if not all(path.is_dir() for path in self._paths):
             raise NotADirectoryError('MultiplexedPath only supports directories')
 
+    @property
+    def paths(self):
+        return self._paths.copy()
+
     def iterdir(self):
         children = (child for path in self._paths for child in path.iterdir())
         by_name = operator.attrgetter('name')