diff --git a/frmMain.vb b/frmMain.vb
index fb00ae7..ec7391d 100644
--- a/frmMain.vb
+++ b/frmMain.vb
@@ -2620,4 +2620,8 @@ LocalErrorHandler:
     Private Sub prbTestplan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles prbTestplan.Click
 
     End Sub
+
+    Private Sub DebugCheckBox_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DebugCheckBox.CheckedChanged
+        DebugNumericUpDown.Enabled = DebugCheckBox.Checked
+    End Sub
 End Class