diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index b41e7b30..2aa67361 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -1525,6 +1525,10 @@ private void SetColorByIndex()
             {
                 BtnColorYellow_Click(null, null);
             }
+            else if (inkColor == 4)
+            {
+                BorderPenColorWhite_MouseUp(null, null);
+            }
         }
 
         int BoundsWidth = 5;