diff --git a/frontend/web/js/script.js b/frontend/web/js/script.js
index b4e8574..bd412c9 100755
--- a/frontend/web/js/script.js
+++ b/frontend/web/js/script.js
@@ -53,6 +53,6 @@ $(document).ready(function(){
         }
         return false;
     });
-    $(".spoiler input").is(':checked').hide();
+    $(".spoiler input").prop('checked').hide();
     
 });
\ No newline at end of file
--
libgit2 0.21.4