diff --git a/global.org b/global.org
index 3975f57..9afc1b8 100644
--- a/global.org
+++ b/global.org
@@ -3159,7 +3159,9 @@
     #+begin_src emacs-lisp
       (byte-recompile-directory "~/.emacs.d/bibretrieve" 0)
       (load "bibretrieve")
-      (setq bibretrieve-backends '(("msn" . 10)))
+      (setq bibretrieve-backends '(("msn" . 10)
+                                   ("arxiv" . 10)
+                                   ("zbm" . 5)))
       (require 'biblio)
     #+end_src