diff --git a/shared/sx/templates/shell.sx b/shared/sx/templates/shell.sx
index cedf396d..08688ed7 100644
--- a/shared/sx/templates/shell.sx
+++ b/shared/sx/templates/shell.sx
@@ -77,7 +77,7 @@ details.group{overflow:hidden}details.group>summary{list-style:none}details.grou
         ;; Server-rendered HTML — visible immediately before JS loads
         (div :id "sx-root" (raw! (or body-html "")))
         ;; Event buffer — captures clicks during hydration gap, replayed after boot
-        (script (raw! "document.addEventListener('click',function(e){var i=e.target.closest('[data-sx-island]');if(i&&!i._sxBoundislandHydrated){e.stopPropagation();(window._sxQ=window._sxQ||[]).push({t:e.target,ts:Date.now()})}},true)"))
+        (script (raw! "document.addEventListener('click',function(e){var i=e.target.closest('[data-sx-island]');if(i&&!i['_sxBoundisland-hydrated']){e.stopPropagation();(window._sxQ=window._sxQ||[]).push({t:e.target,ts:Date.now()})}},true)"))
         (script :type "text/sx" :data-components true :data-hash component-hash
           (raw! (or component-defs "")))
         (when init-sx