diff --git a/facho/cli.py b/facho/cli.py
index 8d81df0..b30b1a9 100644
--- a/facho/cli.py
+++ b/facho/cli.py
@@ -216,7 +216,8 @@ def validate_invoice(invoice_path):
 @click.option('--ssl/--no-ssl', default=False)
 @click.option('--use-cache-policy/--no-use-cache-policy', default=False)
 @click.argument('xmlfile', type=click.Path(exists=True), required=True)
-def sign_xml(private_key, passphrase, xmlfile, ssl=True, use_cache_policy=False):
+@click.argument('output', required=True)
+def sign_xml(private_key, passphrase, xmlfile, ssl=True, use_cache_policy=False, output=None):
     if not ssl:
         disable_ssl()
         
@@ -226,7 +227,8 @@ def sign_xml(private_key, passphrase, xmlfile, ssl=True, use_cache_policy=False)
 
     signer = fe.DianXMLExtensionSigner(private_key, passphrase=passphrase, mockpolicy=use_cache_policy)
     document = open(xmlfile, 'r').read().encode('utf-8')
-    print(signer.sign_xml_string(document))
+    with open(output, 'w') as f:
+        f.write(signer.sign_xml_string(document))
         
 @click.command()
 @click.option('--private-key', type=click.Path(exists=True))
@@ -236,7 +238,8 @@ def sign_xml(private_key, passphrase, xmlfile, ssl=True, use_cache_policy=False)
 @click.option('--sign/--no-sign', default=False)
 @click.option('--use-cache-policy/--no-use-cache-policy', default=False)
 @click.argument('scriptname', type=click.Path(exists=True), required=True)
-def generate_invoice(private_key, passphrase, scriptname, generate=False, ssl=True, sign=False, use_cache_policy=False):
+@click.argument('output', required=True)
+def generate_invoice(private_key, passphrase, scriptname, generate=False, ssl=True, sign=False, use_cache_policy=False, output=None):
     """
     imprime xml en pantalla.
     SCRIPTNAME espera 
@@ -270,12 +273,14 @@ def generate_invoice(private_key, passphrase, scriptname, generate=False, ssl=Tr
         for extension in extensions:
             xml.add_extension(extension)
 
-        xmlstring = xml.tostringMACHETE(xml_declaration=True)
+        xmlstring = xml.tostringMACHETE(xml_declaration=True, encoding='UTF-8')
         if sign:
             signer = fe.DianXMLExtensionSigner(private_key, passphrase=passphrase, mockpolicy=use_cache_policy)
-            print(signer.sign_xml_string(xmlstring.encode('utf-8')))
+            with open(output, 'w') as f:
+                f.write(signer.sign_xml_string(xmlstring.encode('utf-8')))
         else:
-            print(xmlstring)
+            with open(output, 'w') as f:
+                f.write(xmlstring)
     
 @click.group()
 def main():
diff --git a/facho/fe/fe.py b/facho/fe/fe.py
index 30e8bc5..7de3ed2 100644
--- a/facho/fe/fe.py
+++ b/facho/fe/fe.py
@@ -202,7 +202,7 @@ class DianXMLExtensionSigner(FachoXMLExtension):
         extcontent = fachoxml.builder.xpath(fachoxml.root, '/fe:Invoice/ext:UBLExtensions/ext:UBLExtension[2]/ext:ExtensionContent')
         fachoxml.append_element(extcontent, signature)
 
-        return fachoxml.tostring(xml_declaration=True)
+        return fachoxml.tostring(xml_declaration=True, encoding='UTF-8')
 
     def sign_xml_element(self, xml):
         id_uuid = str(uuid.uuid4())
@@ -226,23 +226,17 @@ class DianXMLExtensionSigner(FachoXMLExtension):
         ki = xmlsig.template.ensure_key_info(signature, name=id_keyinfo)
         data = xmlsig.template.add_x509_data(ki)
         xmlsig.template.x509_data_add_certificate(data)
-
-
         xmlsig.template.add_key_value(ki)
-        qualifying = xades.template.create_qualifying_properties(signature)
+
+        qualifying = xades.template.create_qualifying_properties(signature, 'XadesObjects', 'xades')
         xades.utils.ensure_id(qualifying)
          
-
         id_props = "xmldsig-%s-signedprops" % (id_uuid)
-        # MACHETE si no lo envio la dian no lo valida y pasa
-        # si lo adiciono https://tools.chilkat.io/xmlDsigVerify.cshtml
-        # falla en validar este reference..
-        
-        #props_ref = xmlsig.template.add_reference(
-        #    signature, xmlsig.constants.TransformSha256, uri="#%s" % (id_props),
-        #    uri_type="http://uri.etsi.org/01903#SignedProperties"
-        #)
-        #xmlsig.template.add_transform(props_ref, xmlsig.constants.TransformInclC14N)
+        props_ref = xmlsig.template.add_reference(
+            signature, xmlsig.constants.TransformSha256, uri="#%s" % (id_props),
+            uri_type="http://uri.etsi.org/01903#SignedProperties"
+        )
+        xmlsig.template.add_transform(props_ref, xmlsig.constants.TransformInclC14N)
 
         # TODO assert with http://www.sic.gov.co/hora-legal-colombiana
         props = xades.template.create_signed_properties(qualifying, name=id_props, datetime=datetime.now())