diff --git a/Lib/pathlib.py b/Lib/pathlib.py
index 6be372ed320a2c..648194035ce820 100644
--- a/Lib/pathlib.py
+++ b/Lib/pathlib.py
@@ -1060,9 +1060,14 @@ def iterdir(self):
         """Iterate over the files in this directory.  Does not yield any
         result for the special paths '.' and '..'.
         """
+        #Below line throws FileNotFoundError if path is invalid
+        dirs = self._accessor.listdir(self)
+        return self._iterdirgen(dirs)
+
+    def _iterdirgen(self,dirs):
         if self._closed:
             self._raise_closed()
-        for name in self._accessor.listdir(self):
+        for name in dirs:
             if name in {'.', '..'}:
                 # Yielding a path object for these makes little sense
                 continue
diff --git a/Misc/NEWS.d/next/Library/2018-08-29-19-20-20.bpo-34541.prMad02.rst b/Misc/NEWS.d/next/Library/2018-08-29-19-20-20.bpo-34541.prMad02.rst
new file mode 100644
index 00000000000000..08cefb2b8b546a
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-08-29-19-20-20.bpo-34541.prMad02.rst
@@ -0,0 +1,2 @@
+Added code to make pathlib.Path.iterdir  throw  FileNotFoundError when path  is
+ not valid
\ No newline at end of file