diff --git a/App_Code/ClsPaginas.vb b/App_Code/ClsPaginas.vb
index c57311bfb..70cba6b84 100644
--- a/App_Code/ClsPaginas.vb
+++ b/App_Code/ClsPaginas.vb
@@ -5426,12 +5426,12 @@ Public Class ClsPaginas
             bytes = bytes
             Response.Buffer = True
             Response.Clear()
+            Response.ClearHeaders()
             If Formato = "PDF" Then
                 Response.ContentType = "application/pdf"
             Else
                 Response.ContentType = mimeType
             End If
-            Response.ClearHeaders()
             Dim fileExtension As String = ""
             If Not String.IsNullOrEmpty(Extension) Then
                 fileExtension = Extension