diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index 4cad540..b1105ee 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -108,6 +108,8 @@ namespace EduNetworkBuilder
                 cbFillColor.Items.Add(ColorName);
                 cbLineColor.Items.Add(ColorName);
             }
+            cbFillColor.Text = "Empty";
+            cbLineColor.Text = "Empty";
 
             BuildButtons();
             LayoutButtons();