diff --git a/Ventas/PV.aspx.vb b/Ventas/PV.aspx.vb
index f9e85dfc2..52a13be90 100644
--- a/Ventas/PV.aspx.vb
+++ b/Ventas/PV.aspx.vb
@@ -4582,7 +4582,7 @@ Partial Class PV
 
     Private Sub BtnValidarRFC_Click(sender As Object, e As EventArgs) Handles BtnValidarRFC.Click
 
-        If TxtRFCCliente.Text = "XAXX010101000" Then
+        If TxtRFCCliente.Text.ToUpper = "XAXX010101000" Then
             DivNombreCliente.Visible = True
             DivDireccionCliente.Visible = True
             DivNumeroCPCliente.Visible = True