diff --git a/src/kiri/main.js b/src/kiri/main.js
index 70f5739f..5e59b7e4 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -977,6 +977,7 @@
                 });
                 UI.speedbar.innerHTML = list.join('');
             });
+            API.event.emit('preview.maxspeed', maxSpeed);
         }
     }