diff --git a/CHANGES.txt b/CHANGES.txt
index 813b6da..0e327a5 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,9 @@ Changelog
 1.0b7 (unreleased)
 ------------------
 
+* Captcha plugin support for collective.z3cform.norobots added. 
+  []
+
 * Store dates in utc and not in local time. Display local time
   [do3cc]
 
diff --git a/plone/app/discussion/browser/captcha.py b/plone/app/discussion/browser/captcha.py
index 32b9298..4c09a91 100644
--- a/plone/app/discussion/browser/captcha.py
+++ b/plone/app/discussion/browser/captcha.py
@@ -67,6 +67,9 @@ class CaptchaExtender(extensible.FormExtender):
             elif self.captcha == 'recaptcha':
                 from plone.formwidget.recaptcha import ReCaptchaFieldWidget
                 self.form.fields['captcha'].widgetFactory = ReCaptchaFieldWidget
+            elif self.captcha == 'norobots':
+                from collective.z3cform.norobots import NorobotsFieldWidget
+                self.form.fields['captcha'].widgetFactory = NorobotsFieldWidget
             else:
                 self.form.fields['captcha'].mode = interfaces.HIDDEN_MODE
                 
diff --git a/plone/app/discussion/browser/validator.py b/plone/app/discussion/browser/validator.py
index ffacaa9..8a46bc7 100644
--- a/plone/app/discussion/browser/validator.py
+++ b/plone/app/discussion/browser/validator.py
@@ -44,7 +44,7 @@ class CaptchaValidator(validator.SimpleFieldValidator):
         registry = queryUtility(IRegistry)
         settings = registry.forInterface(IDiscussionSettings)
 
-        if settings.captcha == 'captcha' or settings.captcha == 'recaptcha':
+        if settings.captcha in ('captcha', 'recaptcha', 'norobots'):
             captcha = getMultiAdapter((aq_inner(self.context), self.request), 
                                       name=settings.captcha)
             if not captcha.verify(input=value):
diff --git a/plone/app/discussion/interfaces.py b/plone/app/discussion/interfaces.py
index 66359ef..cae5509 100644
--- a/plone/app/discussion/interfaces.py
+++ b/plone/app/discussion/interfaces.py
@@ -58,8 +58,9 @@ class IDiscussionSettings(Interface):
         description=_(u"help_captcha",
                 default=u"Use this setting to enable or disable Captcha "
                          "validation for comments. Install "
-                         "plone.formwidget.captcha or "
-                         "plone.formwidget.recaptcha if there are no options "
+                         "plone.formwidget.captcha, "
+                         "plone.formwidget.recaptcha, collective.akismet, or "
+                         "collective.z3cform.norobots if there are no options "
                          "available."),
         required=True,
         default='disabled',
diff --git a/plone/app/discussion/vocabularies.py b/plone/app/discussion/vocabularies.py
index 973d042..293e5d5 100644
--- a/plone/app/discussion/vocabularies.py
+++ b/plone/app/discussion/vocabularies.py
@@ -25,6 +25,13 @@ try:
 except ImportError:
     pass
 
+HAS_NOROBOTS = False
+try:
+    import collective.z3cform.norobots
+    HAS_NOROBOTS = True
+except ImportError:
+    pass
+
 
 def captcha_vocabulary(context):
     """Vocabulary with all available captcha implementations.
@@ -54,6 +61,14 @@ def captcha_vocabulary(context):
                 value='akismet',
                 token='akismet',
                 title='Akismet'))    
+
+
+    if HAS_NOROBOTS:
+        terms.append(
+            SimpleTerm(
+                value='norobots',
+                token='norobots',
+                title='Norobots'))
     
     return SimpleVocabulary(terms)