1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index f88d77d214d..b00e42db4b7 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -1601,7 +1601,7 @@ behavior, change `python-remove-cwd-from-path' to nil."
   ;; Fixme: Write a `coding' header to the temp file if the region is
   ;; non-ASCII.
   (interactive "r")
-  (let* ((f (make-temp-file "py"))
+  (let* ((f (make-temp-file "py" nil ".py"))
          (command
           ;; IPython puts the FakeModule module into __main__ so
           ;; emacs.eexecfile becomes useless.