diff --git a/javascript/imageviewerGamepad.js b/javascript/imageviewerGamepad.js
index 0510c02a2..45cc4cbf9 100644
--- a/javascript/imageviewerGamepad.js
+++ b/javascript/imageviewerGamepad.js
@@ -24,7 +24,7 @@ window.addEventListener('gamepadconnected', (e) => {
             isWaiting = false;
         }
     }, 10);
-    window.addEventListener('gamepaddisconnected', (e) => clearInterval(gamepads[e.gamepad.index]))
+    window.addEventListener('gamepaddisconnected', (e) => clearInterval(gamepads[e.gamepad.index]));
 });
 
 /*