diff --git a/src/core/elements_maybe_signal.rs b/src/core/elements_maybe_signal.rs
index 63cbad6..6a086af 100644
--- a/src/core/elements_maybe_signal.rs
+++ b/src/core/elements_maybe_signal.rs
@@ -398,6 +398,8 @@ macro_rules! impl_from_strings_inner {
                         let _ = sel;
                         None
                     } else {
+                        use wasm_bindgen::JsCast;
+
                         if let Ok(node_list) = document().query_selector_all(sel) {
                             let mut list = Vec::with_capacity(node_list.length() as usize);
                             for i in 0..node_list.length() {
diff --git a/src/utils/filters/debounce.rs b/src/utils/filters/debounce.rs
index be108ea..9e5bc86 100644
--- a/src/utils/filters/debounce.rs
+++ b/src/utils/filters/debounce.rs
@@ -34,8 +34,12 @@ where
         }
     };
 
-    on_cleanup(move || {
-        clear_timeout(&timer);
+    on_cleanup({
+        let timer = Rc::clone(&timer);
+
+        move || {
+            clear_timeout(&timer);
+        }
     });
 
     let ms = ms.into();