diff --git a/static/rot/rot.js b/static/rot/rot.js
index cceb7ba0..3a4ace2b 100644
--- a/static/rot/rot.js
+++ b/static/rot/rot.js
@@ -378,8 +378,8 @@
             localStorage.audiomuted = audio.muted = musicmute.checked;
             playMusic();
         })
-        volumeStepDwn.addEventListener('click', () => volumeAdd(-0.05))
-        volumeStepUp.addEventListener('click', () => volumeAdd(0.05))
+        volumeStepDwn.addEventListener('click', () => volumeAdd(-0.05));
+        volumeStepUp.addEventListener('click', () => volumeAdd(0.05));
 
         updateVolumeLabel();
     }