Index: src/ZTUtils/Zope.py
===================================================================
--- src/ZTUtils/Zope.py	(revision 120726)
+++ src/ZTUtils/Zope.py	(working copy)
@@ -209,7 +209,7 @@
     qlist = complex_marshal(d.items())
     for i in range(len(qlist)):
         k, m, v = qlist[i]
-        qlist[i] = ('<input type="hidden" name="%s%s" value="%s">'
+        qlist[i] = ('<input type="hidden" name="%s%s" value="%s" />'
                     % (hq(k), m, hq(str(v))))
 
     return '\n'.join(qlist)
Index: src/ZTUtils/tests/testZope.py
===================================================================
--- src/ZTUtils/tests/testZope.py	(revision 120726)
+++ src/ZTUtils/tests/testZope.py	(working copy)
@@ -50,16 +50,16 @@
 
     def testMakeHiddenInput(self):
         tag = make_hidden_input(foo='bar')
-        self.assertEqual(tag, '<input type="hidden" name="foo" value="bar">')
+        self.assertEqual(tag, '<input type="hidden" name="foo" value="bar" />')
         tag = make_hidden_input(foo=1)
-        self.assertEqual(tag, '<input type="hidden" name="foo:int" value="1">')
+        self.assertEqual(tag, '<input type="hidden" name="foo:int" value="1" />')
         # Escaping
         tag = make_hidden_input(foo='bar & baz')
-        self.assertEqual(tag, '<input type="hidden" name="foo" value="bar &amp; baz">')
+        self.assertEqual(tag, '<input type="hidden" name="foo" value="bar &amp; baz" />')
         tag = make_hidden_input(foo='<bar>')
-        self.assertEqual(tag, '<input type="hidden" name="foo" value="&lt;bar&gt;">')
+        self.assertEqual(tag, '<input type="hidden" name="foo" value="&lt;bar&gt;" />')
         tag = make_hidden_input(foo='"bar"')
-        self.assertEqual(tag, '<input type="hidden" name="foo" value="&quot;bar&quot;">')
+        self.assertEqual(tag, '<input type="hidden" name="foo" value="&quot;bar&quot;" />')
 
 def test_suite():
     return makeSuite(QueryTests)