diff --git a/site/src/components/viewer/script.js b/site/src/components/viewer/script.js
index 5a279aa..f2158b1 100644
--- a/site/src/components/viewer/script.js
+++ b/site/src/components/viewer/script.js
@@ -48,7 +48,7 @@ export default
             if(
                 event.keyCode !== 38 &&
                 event.keyCode !== 39 &&
-                event.keyCode !== 30 &&
+                event.keyCode !== 40 &&
                 event.keyCode !== 37
             )
             {