diff --git a/app/assets/javascripts/discourse/mixins/scrolling.js b/app/assets/javascripts/discourse/mixins/scrolling.js
index d42b67c38..b106836ea 100644
--- a/app/assets/javascripts/discourse/mixins/scrolling.js
+++ b/app/assets/javascripts/discourse/mixins/scrolling.js
@@ -24,7 +24,7 @@ Discourse.Scrolling = Em.Mixin.create({
     if (opts.debounce) {
       onScrollMethod = Discourse.debounce(function() {
         return scrollingMixin.scrolled();
-      }, 100);
+      }, opts.debounce);
     } else {
       onScrollMethod = function() {
         return scrollingMixin.scrolled();