1 files changed, 8 insertions, 4 deletions

diff --git a/lisp/ibuf-ext.el b/lisp/ibuf-ext.el
index f5375612c34..4443383cdf5 100644
--- a/lisp/ibuf-ext.el
+++ b/lisp/ibuf-ext.el
@@ -347,10 +347,14 @@ the mode if ARG is omitted or nil."
    :modifier-p nil)
   (shell-command (concat command " "
                          (shell-quote-argument
-                          (if buffer-file-name
-                              buffer-file-name
-                            (make-temp-file
-                             (substring (buffer-name) 0 (min 10 (length (buffer-name))))))))))
+                          (or buffer-file-name
+                              (let ((file
+                                     (make-temp-file
+                                      (substring
+                                       (buffer-name) 0
+                                       (min 10 (length (buffer-name)))))))
+                                (write-region nil nil file nil 0)
+                                file))))))
 
 ;;;###autoload (autoload 'ibuffer-do-eval "ibuf-ext")
 (define-ibuffer-op eval (form)