diff --git a/public/js/hint.js b/public/js/hint.js
index eea04cc..80c7d25 100644
--- a/public/js/hint.js
+++ b/public/js/hint.js
@@ -206,9 +206,13 @@
     if (that.active === -2)
       return;
     if (e.key === 'Down') {
+      e.stopPropagation();
+      e.preventDefault();
       return that.next();
     }
     else if (e.key === 'Up') {
+      e.stopPropagation();
+      e.preventDefault();
       return that.previous();
     }
     else if (e.key === 'Enter' && that.choose()) {