diff --git a/.gitignore b/.gitignore
index 2db4cb8..20e83e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 /projects
 /recentf
 /tramp
+/.org-id-locations
diff --git a/init.el b/init.el
index 732fdbe..1a7642f 100644
--- a/init.el
+++ b/init.el
@@ -34,7 +34,8 @@
       backup-directory-alist '(("." . "~/.emacs.d/backup"))
       abbrev-file-name "~/org/abbrev_defs"
       backup-directory-alist `(("." . "~/.emacs.d/backups"))
-      compilation-scroll-output t)
+      compilation-scroll-output t
+      large-file-warning-threshold nil)
 
 (use-package doom-themes
   :ensure t
@@ -156,8 +157,18 @@
   (use-package pdf-tools
     :ensure t
     :magic ("%PDF" . pdf-view-mode)
+    :hook (pdf-view-mode . pdf-view-midnight-minor-mode)
     :config
-    (pdf-tools-install :no-query)))
+    (pdf-tools-install :no-query))
+
+  (use-package org-pdftools
+    :ensure t
+    :hook (org-mode . org-pdftools-setup-link)
+    ;; below is a hack until this issue is fixed:
+    ;; https://github.com/fuxialexander/org-pdftools/issues/110
+    :config
+    (defalias 'find-if 'cl-find-if)
+    (defalias 'getf 'cl-getf)))
 
 (use-package yasnippet
   :ensure t