diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 303023be..f1829198 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -515,7 +515,7 @@ class Display {
         if (scroll !== null) {
             target = scroll;
         } else {
-            target = index === 0 || entry === null ? 0 : Display.getElementTop(entry);
+            target = this.index === 0 || entry === null ? 0 : Display.getElementTop(entry);
         }
 
         if (smooth) {