diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 707313b..57363bb 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -200,7 +200,25 @@
    '((emacs-lisp . t)
      (dot . t)
      (python . t)))
+
   (add-to-list 'org-src-lang-modes '("dot" . graphviz-dot))
+  (add-to-list 'org-src-lang-modes '("dot2tex" . graphviz-dot))
+
+  (defvar org-babel-default-header-args:dot2tex
+    '((:results . "latex") (:exports . "results"))
+    "Default arguments to use when evaluating a dot2tex source block.")
+  (defun org-babel-execute:dot2tex (body params)
+    "Execute a block of Dot code via dot2tex with org-babel.
+     This function is called by `org-babel-execute-src-block'."
+    (let* ((cmdline (concat (cdr (assoc :cmdline params))
+		                    " --figonly"))
+	       (cmd (or (cdr (assq :cmd params)) "dot2tex")))
+      (org-babel-eval (concat cmd " " cmdline)
+                      (org-babel-expand-body:dot body params))))
+  (defun org-babel-prep-session:dot2tex (session params)
+    "Return an error because dot2tex does not support sessions."
+    (error "dot2tex does not support sessions"))
+
   (defun org-insert-homework-header ()
     ""
     (interactive)