diff --git a/Contabilidad/RepIVA.aspx.cs b/Contabilidad/RepIVA.aspx.cs
index 0ac1a8eb6..58f533539 100644
--- a/Contabilidad/RepIVA.aspx.cs
+++ b/Contabilidad/RepIVA.aspx.cs
@@ -147,10 +147,10 @@ public partial class Contabilidad_RepIVA : ClsPaginas
             }
             if (e.Row.DBCampo("PorcentajeIVA").ToDecimal() > 0)
             {
-                Decimal SubTotal = (e.Row.DBCampo("SubTotal16").ToDecimal() > 0 ? e.Row.DBCampo("SubTotal16").ToDecimal() : (e.Row.DBCampo("SubTotal8").ToDecimal() > 0 ? e.Row.DBCampo("SubTotal8").ToDecimal() : (Decimal)0.0));
+                Decimal SubTotal = (e.Row.DBCampo("SubTotal16").ToDecimal() != 0 ? e.Row.DBCampo("SubTotal16").ToDecimal() : (e.Row.DBCampo("SubTotal8").ToDecimal() != 0 ? e.Row.DBCampo("SubTotal8").ToDecimal() : (Decimal)0.0));
 
                 Decimal dif = Math.Round(SubTotal * e.Row.DBCampo("PorcentajeIVA").ToDecimal(), 2) - Math.Round(e.Row.DBCampo("IVA").ToDecimal() + Math.Round(e.Row.DBCampo("IVANoDeducible").ToDecimal()), 2);
-                if (dif > 1)
+                if (Math.Abs(dif) > 1)
                 {
                      e.Row.ForeColor = System.Drawing.Color.Red;
                      e.Row.Cells[0].Text = e.Row.Cells[0].Text + "Err";