diff --git a/onvif/proxy/lib/WSDiscovery10/Types/ProbeType.pm b/onvif/proxy/lib/WSDiscovery10/Types/ProbeType.pm
index 10c290e8e..8d7e9e7ca 100644
--- a/onvif/proxy/lib/WSDiscovery10/Types/ProbeType.pm
+++ b/onvif/proxy/lib/WSDiscovery10/Types/ProbeType.pm
@@ -7,8 +7,10 @@ __PACKAGE__->_set_element_form_qualified(0);
 
 sub get_xmlns { 'http://schemas.xmlsoap.org/ws/2005/04/discovery' };
 
-our $XML_ATTRIBUTE_CLASS;
-undef $XML_ATTRIBUTE_CLASS;
+our $XML_ATTRIBUTE_CLASS = 'WSDiscovery10::Types::ProbeType::_ProbeType::XmlAttr';
+
+#our $XML_ATTRIBUTE_CLASS;
+#undef $XML_ATTRIBUTE_CLASS;
 
 sub __get_attr_class {
     return $XML_ATTRIBUTE_CLASS;
@@ -49,11 +51,55 @@ __PACKAGE__->_factory(
 } # end BLOCK
 
 
+package WSDiscovery10::Types::ProbeType::_ProbeType::XmlAttr;
+#use base qw(SOAP::WSDL::XSD::Typelib::ComplexType);
+use Class::Std::Fast::Storable constructor => 'none', cache => 1;
+use base qw(SOAP::WSDL::XSD::Typelib::Builtin::anySimpleType);
 
 
+{ # BLOCK to scope variables
 
+my %Attribs_of :ATTR(:get<Attribs>);
 
+sub new
+{
+  my $self = pop @{ Class::Std::Fast::OBJECT_CACHE_REF()->{ $_[0] } };
+  $self = bless \(my $o = Class::Std::Fast::ID()), $_[0]
+        if not defined $self;
+        
+  $self->BUILD(${$self}, $_[1]);
 
+  return $self;      
+}
+
+sub BUILD 
+{
+  my ($self, $ident, $arg_ref) = @_;
+
+  $Attribs_of{$ident} = $arg_ref;
+}
+
+# without this no attributes are serialized
+# SOAP::WSDL::XSD::Typelib::CompexType sub serialize_attr()
+
+sub as_bool :BOOLIFY { 1 }
+
+sub serialize() 
+{
+  my $ident = ${ $_[0] };
+  my $option_ref = $_[1];
+  my $attr_str = "";
+
+  foreach my $attr (keys %{$Attribs_of{$ident}})
+  {
+    my $value = %{$Attribs_of{$ident}}{$attr};
+    $attr_str .= " $attr=\"$value\"";
+  }
+  
+  return $attr_str;
+}
+
+} # end BLOCK
 
 1;
 
diff --git a/onvif/scripts/zmonvif-probe.pl b/onvif/scripts/zmonvif-probe.pl
index 8f1fccd17..10aa26a08 100755
--- a/onvif/scripts/zmonvif-probe.pl
+++ b/onvif/scripts/zmonvif-probe.pl
@@ -212,7 +212,9 @@ sub discover
 
   $result = $svc_discover->ProbeOp(
     { # WSDiscovery::Types::ProbeType
-      Types => 'http://www.onvif.org/ver10/network/wsdl:NetworkVideoTransmitter http://www.onvif.org/ver10/device/wsdl:Device', # QNameListType
+      xmlattr => { 'xmlns:dn'  => 'http://www.onvif.org/ver10/network/wsdl',
+                   'xmlns:tds' => 'http://www.onvif.org/ver10/device/wsdl', },
+      Types => 'dn:NetworkVideoTransmitter tds:Device', # QNameListType
       Scopes =>  { value => '' },
     },
     WSDiscovery10::Elements::Header->new({