diff --git a/js/ui.js b/js/ui.js
index 8fb1cdd..78a0660 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -1344,6 +1344,30 @@ export class UIRenderer {
                 updateFsVolumeUI();
             };
 
+            const handleFsVolumeWheel = (e) => {
+                e.preventDefault();
+
+                const delta = e.deltaY > 0 ? -0.05 : 0.05;
+                const currentVolume = this.player.userVolume;
+                const newVolume = Math.max(0, Math.min(1, currentVolume + delta));
+
+                if (delta > 0 && audioPlayer.muted) {
+                    audioPlayer.muted = false;
+                    localStorage.setItem('muted', false);
+                }
+
+                this.player.setVolume(newVolume);
+                updateFsVolumeUI();
+            };
+
+            [fsVolumeBar, fsVolumeBtn].forEach((el) => {
+                if (el._fsVolumeWheelHandler) {
+                    el.removeEventListener('wheel', el._fsVolumeWheelHandler);
+                }
+                el._fsVolumeWheelHandler = handleFsVolumeWheel;
+                el.addEventListener('wheel', handleFsVolumeWheel, { passive: false });
+            });
+
             const setFsVolume = (e) => {
                 const rect = fsVolumeBar.getBoundingClientRect();
                 const position = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));