diff --git a/.emacs.d/site-lisp/oni.el b/.emacs.d/site-lisp/oni.el
index a480282..2f60c63 100644
--- a/.emacs.d/site-lisp/oni.el
+++ b/.emacs.d/site-lisp/oni.el
@@ -406,6 +406,14 @@ When dealing with braces, add another line and indent that too."
         fill-column 72)
   (fci-mode))
 
+(defun oni:raise-ansi-term (arg)
+  "Create or show an `ansi-term' buffer."
+  (interactive "P")
+  (let ((buffer (get-buffer "*ansi-term*")))
+    (if (and buffer (not arg))
+        (switch-to-buffer buffer)
+      (call-interactively 'ansi-term))))
+
 (defun oni:raise-eshell ()
   "Start or switch back to `eshell'.
 Also change directories to current working directory."