diff --git a/TessBed/Canvas.cs b/TessBed/Canvas.cs
index d00e74e..e3715ac 100644
--- a/TessBed/Canvas.cs
+++ b/TessBed/Canvas.cs
@@ -70,7 +70,7 @@ protected override void OnPaint(PaintEventArgs pe)
             using (var brushPoint = new SolidBrush(Color.FromArgb(255, 0, 0, 0)))
             using (var penOutput = new Pen(Color.FromArgb(32, 0, 0, 0), 1.0f))
             using (var penPolys = new Pen(Color.FromArgb(64, 0, 0, 0), 1.0f))
-            using (var penZeroArea = new Pen(Color.FromArgb(255, 255, 0, 0), 1.0f))
+            using (var penZeroArea = new Pen(Color.FromArgb(255, 255, 0, 255), 2.0f))
             using (var brushPolys = new SolidBrush(Color.FromArgb(64, 255, 207, 130)))
             {
                 penWinding.EndCap = LineCap.ArrowAnchor;