diff --git a/editor/src/editor/GUIComponents.cpp b/editor/src/editor/GUIComponents.cpp
index 56fb6f8e..a85bf64b 100644
--- a/editor/src/editor/GUIComponents.cpp
+++ b/editor/src/editor/GUIComponents.cpp
@@ -28,6 +28,8 @@ void SimpleSlider::draw(CDrawContext* dc)
     CRect bounds = getViewSize();
     CRect handle = calculateHandleRect(getValueNormalized());
 
+    dc->setDrawMode(kAntiAliasing);
+
     dc->setFrameColor(_frame);
     dc->drawRect(bounds, kDrawStroked);