diff --git a/oni-circe.el b/oni-circe.el
index d3cfbf5..0a674de 100644
--- a/oni-circe.el
+++ b/oni-circe.el
@@ -95,51 +95,52 @@ which may be encrypted."
 (enable-circe-color-nicks)
 (enable-circe-serenity)
 
-;; (require 'mowedline)
+;;; Polybar
+;; This was originally written by retroj in his own configuration and shared
+;; with me from when I was using mowedline. I've adapted the code to work for
+;; polybar instead and renamed all of the functions.
 
-;; (defun mowedline-colorize-mode-line-spec (s)
-;;   (cond
-;;    ((stringp s) (string-trim s))
-;;    ((eq ':propertize (car s))
-;;     (let ((s (cadr s))
-;;           (face (plist-get (cddr s) 'face)))
-;;       (if face
-;;           `(color ,(face-foreground face)
-;;                   ,(substring-no-properties s))
-;;         s)))
-;;    (t "")))
+(defvar oni-circe-tracking-buffers nil)
+(defvar oni-circe-tracking-timer nil)
 
-;; (setq mowedline-update-function 'mowedline-update/dbus)
+(defun oni-circe-colorize (s)
+  "Turn any color description of S into one that Polybar understands."
+  (cond
+   ((stringp s) (string-trim s))
+   ((eq ':propertize (car s))
+    (let ((s (cadr s))
+          (face (plist-get (cddr s) 'face)))
+      (if face
+          (format "%%{F%s}%s%%{F-}"
+                  (face-foreground face)
+                  (substring-no-properties s))
+        s)))
+   (t "")))
 
-;; (defvar jjf-tracking-buffers '())
-;; (defvar jjf-external-tracking-timer nil)
-;; (defun jjf-external-tracking ()
-;;   (setq jjf-external-tracking-timer nil)
-;;   (mowedline-update
-;;    'irc
-;;    (if (stringp jjf-tracking-buffers)
-;;        (mowedline-colorize jjf-tracking-buffers t)
-;;      (format "%S" (mapcar #'mowedline-colorize-mode-line-spec
-;;                           jjf-tracking-buffers)))))
+(defun oni-circe-update-polybar ()
+  "Send a command to Polybar to update my Circe widget."
+  (setq oni-circe-tracking-timer nil)
+  (shell-command (format "polybar-msg action circe send %s"
+                         (shell-quote-argument
+                          (if (stringp oni-circe-tracking-buffers)
+                              (oni-circe-colorize oni-circe-tracking-buffers)
+                            (mapconcat #'oni-circe-colorize oni-circe-tracking-buffers))))))
 
-;; (defun oni:clear-irc-mowedline-widget ()
-;;   (mowedline-clear 'irc))
+(defun oni-circe-polybar-tracking (orig-fun &rest args)
+  "Update my external status bar when tracking computes a new status line.
 
-;; (defun jjf-external-tracking-advice (orig-fun &rest args)
-;;   "Update my external status bar when tracking computes a new
-;; status line, and suppress tracking in the mode-line.  Since
-;; tracking-status may be called many times in quick succession, for
-;; example on a make-frame-visible event, we use a short timer to
-;; only call the updater once within a minimum duration."
-;;   (setq jjf-tracking-buffers (apply orig-fun args))
-;;   (when jjf-external-tracking-timer
-;;     (cancel-timer jjf-external-tracking-timer))
-;;   (setq jjf-external-tracking-timer
-;;         (run-at-time 0.2 nil 'jjf-external-tracking))
-;;   nil)
+Also suppress tracking in the mode-line. Since tracking-status
+may be called many times in quick succession, for example on a
+make-frame-visible event, we use a short timer to only call the
+updater once within a minimum duration."
+  (setq oni-circe-tracking-buffers (apply orig-fun args))
+  (when oni-circe-tracking-timer
+    (cancel-timer oni-circe-tracking-timer))
+  (setq oni-circe-tracking-timer
+        (run-at-time 0.2 nil #'oni-circe-update-polybar))
+  nil)
 
-;;(advice-add 'tracking-status :around #'jjf-external-tracking-advice)
-;;(add-hook 'kill-emacs-hook 'oni:clear-irc-mowedline-widget)
+(advice-add 'tracking-status :around #'oni-circe-polybar-tracking)
 
 (add-hook 'circe-channel-mode-hook 'olivetti-mode)