diff --git a/oni/home/services/stumpwm/config b/oni/home/services/stumpwm/config
index 0291c97..d21d9c8 100644
--- a/oni/home/services/stumpwm/config
+++ b/oni/home/services/stumpwm/config
@@ -31,7 +31,7 @@ after it has been unlocked."
 
 (defcommand raise-browser () ()
   "Open or show my browser"
-  (run-or-raise "firefox" '(:class "firefox|zen-beta")))
+  (run-or-raise "firefox" '(:class "firefox|zen(-beta)?")))
 
 (defcommand raise-emacs () ()
   "Open or show Emacs"