diff --git a/Transportes/RepContratos.aspx.vb b/Transportes/RepContratos.aspx.vb
index 7c80c0c08..d11cf1856 100644
--- a/Transportes/RepContratos.aspx.vb
+++ b/Transportes/RepContratos.aspx.vb
@@ -21,10 +21,10 @@ Partial Class ListadoContratos
 #End Region
 #Region "Carga Página"
     Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
-        txtFechaI.Text = DateTime.Now.AddMonths(-1).ToShortDateString
-        txtFechaF.Text = DateTime.Now.AddDays(7).ToShortDateString
 
         If Not IsPostBack Then
+            txtFechaI.Text = DateTime.Now.AddMonths(-1).ToShortDateString
+            txtFechaF.Text = DateTime.Now.AddDays(7).ToShortDateString
             InicializaCombos()
             CargaDatos()
         End If