1 files changed, 5 insertions, 4 deletions

diff --git a/lisp/tar-mode.el b/lisp/tar-mode.el
index fac148b2b63..399e2b2f066 100644
--- a/lisp/tar-mode.el
+++ b/lisp/tar-mode.el
@@ -679,10 +679,11 @@ appear on disk when you save the tar-file's buffer."
     (let* ((tar-buffer (current-buffer))
            (tar-buffer-multibyte enable-multibyte-characters)
            (tarname (buffer-name))
-           (bufname (concat (file-name-nondirectory name)
-                            " ("
-                            tarname
-                            ")"))
+           (bufname (generate-new-buffer-name
+                     (concat (file-name-nondirectory name)
+                             " ("
+                             tarname
+                             ")")))
            (read-only-p (or buffer-read-only view-p))
            (buffer (get-buffer bufname))
            (just-created nil)