diff --git a/home/nyxt/config.lisp b/home/nyxt/config.lisp
index 5e5a335c..f05c4807 100644
--- a/home/nyxt/config.lisp
+++ b/home/nyxt/config.lisp
@@ -1,5 +1,6 @@
+(defmethod customize-instance ((browser browser) &key)
+  (setf (slot-value browser 'restore-session-on-startup-p) nil))
 (setf (uiop:getenv "GTK_THEME") "Adwaita:dark")
-(setf (slot-value browser 'restore-session-on-startup-p) nil)
 (define-configuration buffer
     ((default-modes (pushnew 'nyxt/mode/emacs:emacs-mode %slot-value%))))
 (define-configuration web-buffer