diff --git a/Misc/NEWS.d/next/Tools-Demos/2019-10-02-09-48-42.bpo-38347.2Tq5D1.rst b/Misc/NEWS.d/next/Tools-Demos/2019-10-02-09-48-42.bpo-38347.2Tq5D1.rst
new file mode 100644
index 00000000000000..ae64a319b57560
--- /dev/null
+++ b/Misc/NEWS.d/next/Tools-Demos/2019-10-02-09-48-42.bpo-38347.2Tq5D1.rst
@@ -0,0 +1 @@
+pathfix.py: Assume all files that end on '.py' are Python scripts when working recursively.
diff --git a/Tools/scripts/pathfix.py b/Tools/scripts/pathfix.py
index c5bf984306a35b..28ee428a3a1d85 100755
--- a/Tools/scripts/pathfix.py
+++ b/Tools/scripts/pathfix.py
@@ -70,9 +70,9 @@ def main():
             if fix(arg): bad = 1
     sys.exit(bad)
 
-ispythonprog = re.compile(r'^[a-zA-Z0-9_]+\.py$')
+
 def ispython(name):
-    return bool(ispythonprog.match(name))
+    return name.endswith('.py')
 
 def recursedown(dirname):
     dbg('recursedown(%r)\n' % (dirname,))