diff --git a/Ashx/SIGWeb.ashx b/Ashx/SIGWeb.ashx
index 890fd766c..274fb8741 100644
--- a/Ashx/SIGWeb.ashx
+++ b/Ashx/SIGWeb.ashx
@@ -565,7 +565,11 @@ Public Class SIGWeb : Implements IHttpHandler, IRequiresSessionState
             DTUM = DTUM.Where((Function(a) a!ClaveNombre.ToString.ToLower Like ("*" + Name.ToLower + "*")))
         End If
 
-        DtPSRetorno = New DataView(DTUM.OrderBy(Function(a) a!Nombre).CopyToDataTable).ToTable(True, {"CveSATUnidadMedida", "ClaveNombre"})
+        If DTUM.Count > 0 Then
+            DtPSRetorno = New DataView(DTUM.OrderBy(Function(a) a!Nombre).CopyToDataTable).ToTable(True, {"CveSATUnidadMedida", "ClaveNombre"})
+        Else
+            DtPSRetorno = Nothing
+        End If
 
         If DtPSRetorno IsNot Nothing AndAlso DtPSRetorno.Rows.Count > 0 Then
             DtPSRetorno.Columns("CveSATUnidadMedida").ColumnName = "id"