diff --git a/SawCut/Nesting/AdvancedFitEngine.cs b/SawCut/Nesting/AdvancedFitEngine.cs
index 20d0b15..e1f1f61 100644
--- a/SawCut/Nesting/AdvancedFitEngine.cs
+++ b/SawCut/Nesting/AdvancedFitEngine.cs
@@ -130,7 +130,7 @@ namespace SawCut.Nesting
                 foreach (var item in originalBin.Items)
                 {
                     var newItem = Items.FirstOrDefault(a => a.Length == item.Length);
-                    newBin.Items.Add(item);
+                    newBin.Items.Add(newItem);
                     Items.Remove(newItem);
                 }