diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 8ea2ba7..585758b 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -182,7 +182,11 @@
     (interactive)
     (org-src-in-org-buffer (org-latex-export-to-pdf)))
   (setq org-confirm-babel-evaluate nil)
-  (add-to-list 'org-babel-load-languages '(dot . t))
+  (org-babel-do-load-languages
+   'org-babel-load-languages
+   '((emacs-lisp . t)
+     (dot . t)
+     (python . t)))
   (add-to-list 'org-src-lang-modes '("dot" . graphviz-dot))
   (defun org-insert-homework-header ()
       ""