diff --git a/src/components/Editor/MobileDrawer.jsx b/src/components/Editor/MobileDrawer.jsx
index eb6df804..49ecf3ae 100644
--- a/src/components/Editor/MobileDrawer.jsx
+++ b/src/components/Editor/MobileDrawer.jsx
@@ -157,7 +157,7 @@ export default function MobileDrawer({
                     min="0"
                     max="100"
                     value={audioFeedback.volume * 100}
-                    onChange={(e) => audioFeedback.setVolume(parseInt(e.target.value) / 100)}
+                    onChange={(e) => audioFeedback.setVolume(parseInt(e.target.value, 10) / 100)}
                     className="drawer-slider"
                     aria-label="Volume level"
                   />
diff --git a/src/hooks/useEditor.js b/src/hooks/useEditor.js
index e9000dfd..868ddce6 100644
--- a/src/hooks/useEditor.js
+++ b/src/hooks/useEditor.js
@@ -147,7 +147,7 @@ export function useEditor({ user, onNeedAuth }) {
   }, [code, language, stdinValue]);
 
   useEffect(() => {
-    if (!autosaveInterval) return undefined;
+    if (!autosaveInterval) return;
 
     const timer = window.setInterval(() => {
       localStorage.setItem(