diff --git a/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs b/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
index a683b02d3..0d66a4d7b 100644
--- a/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
+++ b/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
@@ -87,7 +87,8 @@ internal bool SetSlabShape(IList<Point3d> points, IList<Line> creases, out IList
         skipedPoints = new List<Point3d>();
         skipedCreases = new List<Line>();
 
-        using (var shape = host.GetSlabShapeEditor())
+        var shape = host.GetSlabShapeEditor();
+        using (shape as IDisposable) // ARDB.SlabShapeEditor is IDisposable since Revit 2023
         {
           shape.ResetSlabShape();
           host.Document.Regenerate();