diff --git a/pytrustnfe/nfse/imperial/__init__.py b/pytrustnfe/nfse/imperial/__init__.py
index e57091c..c21b085 100644
--- a/pytrustnfe/nfse/imperial/__init__.py
+++ b/pytrustnfe/nfse/imperial/__init__.py
@@ -27,7 +27,7 @@ def _send(certificado, method, **kwargs):
     response = client.post_soap(soap, 'NFeaction/AWS_NFE.%s' % method)
     response, obj = sanitize_response(response.encode('utf-8'))
     return {
-        'sent_xml': xml_send,
+        'sent_xml': xml_send.decode(),
         'received_xml': response.decode(),
         'object': obj
     }
diff --git a/setup.py b/setup.py
index c7e626b..9437020 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = "0.9.12"
+VERSION = "0.9.13"
 
 
 setup(