diff --git a/OpenNest.Engine/NestEngineBase.cs b/OpenNest.Engine/NestEngineBase.cs
index 681eacb..afb6123 100644
--- a/OpenNest.Engine/NestEngineBase.cs
+++ b/OpenNest.Engine/NestEngineBase.cs
@@ -307,6 +307,7 @@ namespace OpenNest
                 case NestPhase.Pairs: return "Pairs";
                 case NestPhase.Linear: return "Linear";
                 case NestPhase.RectBestFit: return "BestFit";
+                case NestPhase.Extents: return "Extents";
                 default: return phase.ToString();
             }
         }
diff --git a/OpenNest.Engine/NestProgress.cs b/OpenNest.Engine/NestProgress.cs
index 410fe50..bf76ec9 100644
--- a/OpenNest.Engine/NestProgress.cs
+++ b/OpenNest.Engine/NestProgress.cs
@@ -8,7 +8,8 @@ namespace OpenNest
         Linear,
         RectBestFit,
         Pairs,
-        Nfp
+        Nfp,
+        Extents
     }
 
     public class PhaseResult