diff --git a/Bancos/ProveedoresAbonar.aspx b/Bancos/ProveedoresAbonar.aspx
index 9d42267a6..2f6fc70de 100644
--- a/Bancos/ProveedoresAbonar.aspx
+++ b/Bancos/ProveedoresAbonar.aspx
@@ -461,8 +461,8 @@
                   <asp:TemplateField Visible="false">
                     <HeaderTemplate>% Desc.</HeaderTemplate>
                     <ItemTemplate>
-                        <asp:TextBox ID="TxtDescuento" Width="40px" runat="server" Style="text-align: right;"  MaxLength="5"></asp:TextBox>
-                        <ajax:FilteredTextBoxExtender runat="server" TargetControlID="TxtDescuento" ValidChars="1234567890+" FilterType="Custom" />
+                        <asp:TextBox ID="TxtDescuento" Width="40px" runat="server" Style="text-align: right;"  MaxLength="6"></asp:TextBox>
+                        <ajax:FilteredTextBoxExtender runat="server" TargetControlID="TxtDescuento" ValidChars="1234567890+." FilterType="Custom" />
                         
                     </ItemTemplate>
                 </asp:TemplateField>