1 files changed, 8 insertions, 3 deletions

diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index 4a41c495900..56d42b41a82 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -2373,7 +2373,10 @@ specified by `gnus-gmane-group-download-format'."
     (with-temp-file tmpfile
       (url-insert-file-contents
        (format gnus-gmane-group-download-format
-               group start (+ start range)))
+               group start (+ start range))
+       t)
+      ;; `url-insert-file-contents' sets this because of the 2nd arg.
+      (setq buffer-file-name nil)
       (write-region (point-min) (point-max) tmpfile)
       (gnus-group-read-ephemeral-group
        (format "nndoc+ephemeral:%s.start-%s.range-%s" group start range)
@@ -2463,7 +2466,7 @@ the bug number, and browsing the URL must return mbox output."
             (if (and (not gnus-plugged)
                      (file-exists-p file))
                 (insert-file-contents file)
-              (url-insert-file-contents (format mbox-url id)))))
+              (url-insert-file-contents (format mbox-url id) t))))
         ;; Add the debbugs address so that we can respond to reports easily.
         (let ((address
                (format "%s@%s" (car ids)
@@ -2488,7 +2491,9 @@ the bug number, and browsing the URL must return mbox output."
                     (insert ", " address))
                 (insert "To: " address "\n")))
             (goto-char (point-max))
-            (widen)))))
+            (widen)))
+        ;; `url-insert-file-contents' sets this because of the 2nd arg.
+        (setq buffer-file-name nil)))
     (gnus-group-read-ephemeral-group
      (format "nndoc+ephemeral:bug#%s"
              (mapconcat 'number-to-string ids ","))