1 files changed, 1 insertions, 0 deletions
diff --git a/ibuffer.el b/ibuffer.el
index a761eeb..150d248 100644
--- a/ibuffer.el
+++ b/ibuffer.el
@@ -357,6 +357,7 @@ value of `default-directory' in that buffer."
               (cons "C" '((mode . c-mode)))
               (cons "ELisp" '((mode . emacs-lisp-mode)))
               (cons "EWW" '((mode . eww-mode)))
+              (cons "PDF" '((mode . pdf-view-mode)))
               (cons "Roman" '((mode . novel-read-mode)))))
   (let ((ibuf (get-buffer "*Ibuffer*")))
     (when ibuf