diff --git a/EnvelopeGenerator.Web/Models/Annotation.cs b/EnvelopeGenerator.Web/Models/Annotation.cs
index b4774cb1..215ef046 100644
--- a/EnvelopeGenerator.Web/Models/Annotation.cs
+++ b/EnvelopeGenerator.Web/Models/Annotation.cs
@@ -58,10 +58,10 @@ public record Annotation
 
     #region Boundary
     [JsonIgnore]
-    public double HorBoundary => MarginLeft + Width;
+    public double HorBoundary => Left + Width;
 
     [JsonIgnore]
-    public double VerBoundary => MarginTop + Height;
+    public double VerBoundary => Top + Height;
     #endregion
 
     #region BoundAnnot