diff --git a/src/hooks/use-sound-effect.ts b/src/hooks/use-sound-effect.ts
index eb47509..c7f4eb4 100644
--- a/src/hooks/use-sound-effect.ts
+++ b/src/hooks/use-sound-effect.ts
@@ -20,7 +20,7 @@ export function useSoundEffect(src: string, volume: number = 1) {
   }, [src, isBrowser]);
 
   useEffect(() => {
-    if (sound) sound.volume(typeof volume === 'number' ? volume : 1);
+    if (sound) sound.volume(volume ?? 1);
   }, [sound, volume]);
 
   const play = useCallback(() => {
diff --git a/src/hooks/use-sound.ts b/src/hooks/use-sound.ts
index 37e3779..362a550 100644
--- a/src/hooks/use-sound.ts
+++ b/src/hooks/use-sound.ts
@@ -34,13 +34,12 @@ export function useSound(
 
   useEffect(() => {
     if (sound) {
-      sound.loop(typeof options.loop === 'boolean' ? options.loop : false);
+      sound.loop(options.loop ?? false);
     }
   }, [sound, options.loop]);
 
   useEffect(() => {
-    if (sound)
-      sound.volume(typeof options.volume === 'number' ? options.volume : 0.5);
+    if (sound) sound.volume(options.volume ?? 0.5);
   }, [sound, options.volume]);
 
   const play = useCallback(() => {