diff --git a/modules/lang/nix/config.el b/modules/lang/nix/config.el
index 43dd95f3b..029e75a99 100644
--- a/modules/lang/nix/config.el
+++ b/modules/lang/nix/config.el
@@ -8,6 +8,7 @@
   (set-company-backend! 'nix-mode 'company-nixos-options)
   (set-lookup-handlers! 'nix-mode
     :documentation '(+nix/lookup-option :async t))
+  (set-popup-rule! "^\\*nixos-options-doc\\*$" :ttl 0 :quit t)
 
   (map! :localleader
         :map nix-mode-map