diff --git a/src/Avalonia.Base/Rendering/Composition/Drawing/Nodes/RenderDataNodes.cs b/src/Avalonia.Base/Rendering/Composition/Drawing/Nodes/RenderDataNodes.cs
index 133e19c02d..ac0a5c4cb7 100644
--- a/src/Avalonia.Base/Rendering/Composition/Drawing/Nodes/RenderDataNodes.cs
+++ b/src/Avalonia.Base/Rendering/Composition/Drawing/Nodes/RenderDataNodes.cs
@@ -136,8 +136,8 @@ abstract class RenderDataPushNode : IRenderDataItem, IDisposable
         if (Children.Count > 0)
         {
             foreach(var ch in Children)
-                if (ch is RenderDataPushNode node)
-                    node.Dispose();
+                if (ch is IDisposable disposable)
+                    disposable.Dispose();
             Children.Dispose();
         }
     }