diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d4d936378..f93e464507 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@
 You can grab pre-release versions from PyPi. See the available versions from the
 Arcade [PyPi Release History](https://pypi.org/project/arcade/#history) page.
 
+## Unreleased
+
+- GUI
+  - Fix UIScrollBar creation
+
+
 ## 3.3.1
 
 - Fixed an issue causing NinePatch to not render correctly
diff --git a/arcade/gui/experimental/scroll_area.py b/arcade/gui/experimental/scroll_area.py
index fbe715cd0e..e8818976c1 100644
--- a/arcade/gui/experimental/scroll_area.py
+++ b/arcade/gui/experimental/scroll_area.py
@@ -48,8 +48,7 @@ def __init__(self, scroll_area: UIScrollArea, vertical: bool = True):
         bind(self, "_dragging", self.trigger_render)
         bind(scroll_area, "scroll_x", self.trigger_full_render)
         bind(scroll_area, "scroll_y", self.trigger_full_render)
-        bind(scroll_area, "content_height", self.trigger_full_render)
-        bind(scroll_area, "content_width", self.trigger_full_render)
+        bind(scroll_area, "rect", self.trigger_full_render)
 
     def on_event(self, event: UIEvent) -> bool | None:
         # check if we are scrollable