diff --git a/slixmpp/plugins/xep_0004/stanza/form.py b/slixmpp/plugins/xep_0004/stanza/form.py
index 84c89173..c04193f0 100644
--- a/slixmpp/plugins/xep_0004/stanza/form.py
+++ b/slixmpp/plugins/xep_0004/stanza/form.py
@@ -48,7 +48,8 @@ class Form(ElementBase):
             fields = self.get_fields()
             for var in fields:
                 field = fields[var]
-                del field['type']
+                if field['type'] != 'hidden':
+                    del field['type']
                 del field['label']
                 del field['desc']
                 del field['required']
@@ -74,7 +75,8 @@ class Form(ElementBase):
                 for option in options:
                     field.add_option(**option)
         else:
-            del field['type']
+            if field['type'] != 'hidden':
+                del field['type']
         self.append(field)
         return field
 
diff --git a/tests/test_stanza_xep_0060.py b/tests/test_stanza_xep_0060.py
index d05bc3d0..671f9cd0 100644
--- a/tests/test_stanza_xep_0060.py
+++ b/tests/test_stanza_xep_0060.py
@@ -314,7 +314,7 @@ class TestPubsubStanzas(SlixTest):
               <create node="testnode2" />
               <configure>
                 <x xmlns="jabber:x:data" type="submit">
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#node_config</value>
                   </field>
                   <field var="pubsub#node_type">
diff --git a/tests/test_stream_xep_0060.py b/tests/test_stream_xep_0060.py
index da543f96..a5fd0bdc 100644
--- a/tests/test_stream_xep_0060.py
+++ b/tests/test_stream_xep_0060.py
@@ -72,7 +72,7 @@ class TestStreamPubsub(SlixTest):
                   <field var="pubsub#access_model">
                     <value>whitelist</value>
                   </field>
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#node_config</value>
                   </field>
                 </x>
@@ -210,7 +210,7 @@ class TestStreamPubsub(SlixTest):
               <subscribe node="somenode" jid="tester@localhost" />
               <options>
                 <x xmlns="jabber:x:data" type="submit">
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#subscribe_options</value>
                   </field>
                   <field var="pubsub#digest">
@@ -358,7 +358,7 @@ class TestStreamPubsub(SlixTest):
             <pubsub xmlns="http://jabber.org/protocol/pubsub#owner">
               <configure node="somenode">
                 <x xmlns="jabber:x:data" type="submit">
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#node_config</value>
                   </field>
                   <field var="pubsub#title">
@@ -441,7 +441,7 @@ class TestStreamPubsub(SlixTest):
               </publish>
               <publish-options>
                 <x xmlns="jabber:x:data" type="submit">
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#publish-options</value>
                   </field>
                   <field var="pubsub#access_model">
@@ -622,7 +622,7 @@ class TestStreamPubsub(SlixTest):
             <pubsub xmlns="http://jabber.org/protocol/pubsub">
               <options node="somenode" jid="tester@localhost">
                 <x xmlns="jabber:x:data" type="submit">
-                  <field var="FORM_TYPE">
+                  <field var="FORM_TYPE" type="hidden">
                     <value>http://jabber.org/protocol/pubsub#subscribe_options</value>
                   </field>
                   <field var="pubsub#digest">