diff --git a/Compras/Proveedores.aspx b/Compras/Proveedores.aspx
index 715520321..4165a41c9 100644
--- a/Compras/Proveedores.aspx
+++ b/Compras/Proveedores.aspx
@@ -346,10 +346,11 @@
                                             <div class="row">
                                                 <div class="col-md-12">
                                                     <div class="form-group form-md-line-input">            
-                                                        <asp:DropDownList ID="DdlCveTipoProveedor" runat="server" CssClass="form-control select2me " Width="206px" AutoPostBack="True" OnSelectedIndexChanged="DdlCveTipoProveedor_SelectedIndexChanged">                                                           
-                                                            <asp:ListItem Selected="True" Text="Proveedor" Value="1"></asp:ListItem>
-                                                            <asp:ListItem Selected="False" Text="Acreedor" Value="2"></asp:ListItem>
-                                                            <asp:ListItem Selected="False" Text="Ambos" Value="3"></asp:ListItem>
+                                                        <asp:DropDownList ID="DdlCveTipoProveedor" runat="server" CssClass="form-control select2me " Width="206px" AutoPostBack="True" OnSelectedIndexChanged="DdlCveTipoProveedor_SelectedIndexChanged">
+                                                             <asp:ListItem Selected="True" Text="-" Value="0"></asp:ListItem>
+                                                            <asp:ListItem   Text="Proveedor" Value="1"></asp:ListItem>
+                                                            <asp:ListItem   Text="Acreedor" Value="2"></asp:ListItem>
+                                                            <asp:ListItem   Text="Ambos" Value="3"></asp:ListItem>
                                                         </asp:DropDownList>
                                                         <asp:RequiredFieldValidator ID="RFVCveTipoProveedor" runat="server" ControlToValidate="DdlCveTipoProveedor" Display="None" ErrorMessage="<b><span style='text-decoration: underline'>ERROR:</span></b><br />El campo <b>''Tipo de Proveedor''</b> es necesario, por favor seleccione uno." InitialValue="0" ValidationGroup="GrpGuardar"></asp:RequiredFieldValidator>
                                                         <ajax:ValidatorCalloutExtender ID="VCECveTipoProveedor" runat="server" HighlightCssClass="vco posicionvalidation" TargetControlID="RFVCveTipoProveedor" Width="350px"></ajax:ValidatorCalloutExtender>