diff --git a/app/assets/javascripts/discourse/components/topic-navigation.js.es6 b/app/assets/javascripts/discourse/components/topic-navigation.js.es6
index 7ff9ec0a230..39a602a0770 100644
--- a/app/assets/javascripts/discourse/components/topic-navigation.js.es6
+++ b/app/assets/javascripts/discourse/components/topic-navigation.js.es6
@@ -61,7 +61,7 @@ export default Component.extend(PanEvents, {
   },
 
   _checkSize() {
-    debounce(this, this._performCheckSize, 300);
+    debounce(this, this._performCheckSize, 300, true);
   },
 
   // we need to store this so topic progress has something to init with