diff --git a/src/ACadSharp/Entities/Hatch.cs b/src/ACadSharp/Entities/Hatch.cs
index 218b0116..0772261a 100644
--- a/src/ACadSharp/Entities/Hatch.cs
+++ b/src/ACadSharp/Entities/Hatch.cs
@@ -135,7 +135,7 @@ public Hatch() : base() { }
 		/// <inheritdoc/>
 		public override BoundingBox GetBoundingBox()
 		{
-			return BoundingBox.FromPoints(this.SeedPoints.Cast<XYZ>());
+			return BoundingBox.FromPoints(this.SeedPoints.Select(x=>(XYZ)x));
 		}
 
 		/// <inheritdoc/>