diff --git a/public/src/modules/navigator.js b/public/src/modules/navigator.js
index 2fe68c1d2b..0b55e8ee4b 100644
--- a/public/src/modules/navigator.js
+++ b/public/src/modules/navigator.js
@@ -446,6 +446,7 @@ define('navigator', ['forum/pagination', 'components', 'hooks', 'alerts'], funct
 	navigator.setIndex = (newIndex) => {
 		index = newIndex + 1;
 		navigator.updateTextAndProgressBar();
+		setThumbToIndex(index);
 	};
 
 	navigator.updateTextAndProgressBar = function () {