diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
index 8133b45b912..6642522d11e 100644
--- a/lisp/emacs-lisp/package-vc.el
+++ b/lisp/emacs-lisp/package-vc.el
@@ -371,7 +371,7 @@ otherwise it's assumed to be an Info file."
   (let* ((pkg-name (package-desc-name pkg-desc))
          (default-directory (package-desc-dir pkg-desc))
          (docs-directory (file-name-directory (expand-file-name file)))
-         (output (expand-file-name (format "%s.info" pkg-name)))
+         (output (expand-file-name (format "%s.info" (file-name-base file))))
          (log-buffer (get-buffer-create (format " *package-vc doc: %s*" pkg-name)))
          clean-up)
     (with-current-buffer log-buffer