diff --git a/App_Code/ClsValidaCFDi.vb b/App_Code/ClsValidaCFDi.vb
index 66d701fa5..c236c5bbb 100644
--- a/App_Code/ClsValidaCFDi.vb
+++ b/App_Code/ClsValidaCFDi.vb
@@ -62,8 +62,8 @@ Public Class ClsValidaCFDi
 
     Public Function Verificar(FolioFiscal As String, RFCEmisor As String, RFCReceptor As String, Optional Importe As Decimal = 0.00) As Integer
         Me.LFolioFiscal = HttpUtility.UrlEncode(FolioFiscal)
-        Me.LRFCEmisor = HttpUtility.UrlEncode(RFCEmisor)
-        Me.LRFCReceptor = HttpUtility.UrlEncode(RFCReceptor)
+        Me.LRFCEmisor = RFCEmisor
+        Me.LRFCReceptor = RFCReceptor
         Me.LImporte = Importe
         VerificaCFDI()