diff --git a/tr069/rpc_methods.py b/tr069/rpc_methods.py
index aff0f30..c6203d9 100644
--- a/tr069/rpc_methods.py
+++ b/tr069/rpc_methods.py
@@ -148,6 +148,7 @@
                 # Allow un-set parameters. If CPE can't handle this, it will
                 # respond with an error message
                 pass
+
         return request_out
 
     # CPE->ACS RPC calls
@@ -327,6 +328,7 @@
     # would pick up all tags that start with the tag of interest (e.g
     # cwmp:SetParameterAttributes would also match
     # cwmp:SetParameterAttributesStruct)
+
     XML_FORMAT_STRS = [
         ["cwmp:%s>", "!!!TEMP_MOD!!!:%s>"],
         ["cwmp:%s/>", "!!!TEMP_MOD!!!:%s/>"],
@@ -364,7 +366,6 @@
     if(ctx.descriptor.out_message.Attributes.sub_name == 'EmptyHttp'):
         ctx.out_string = [b'']
 
-
 AutoConfigServer.event_manager.add_listener(
     'method_return_string',
     on_method_return_string,
diff --git a/tr069/spyne_mods.py b/tr069/spyne_mods.py
index 0f0e918..ad0b54b 100644
--- a/tr069/spyne_mods.py
+++ b/tr069/spyne_mods.py
@@ -91,11 +91,11 @@
         ctx.in_string = [in_string.encode(charset, 'ignore')]
         if ctx.in_string == [b'']:
             ctx.in_string = [
-                b'<soap11env:Envelope xmlns:cwmp="urn:dslforum-org:cwmp-1-0" xmlns:soap11env="http://schemas.xmlsoap.org/soap/envelope/">/n'
-                b'   <soap11env:Body>/n'
+                b'<soapenv:Envelope xmlns:cwmp="urn:dslforum-org:cwmp-1-0" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">/n'
+                b'   <soapenv:Body>/n'
                 b'       <cwmp:EmptyHttp/>/n'
-                b'   </soap11env:Body>/n'
-                b'</soap11env:Envelope>',
+                b'   </soapenv:Body>/n'
+                b'</soapenv:Envelope>',
             ]
 
         super(Tr069Soap11, self).create_in_document(ctx, charset)