diff --git a/plone/formwidget/captcha/__init__.py b/plone/formwidget/captcha/__init__.py
index 679282b..97a9e8a 100644
--- a/plone/formwidget/captcha/__init__.py
+++ b/plone/formwidget/captcha/__init__.py
@@ -1,5 +1,5 @@
 from zope.i18nmessageid import MessageFactory
-MessageFactory = MessageFactory('plone.formwidget.captcha')
+CaptchaMessageFactory = MessageFactory('plone.formwidget.captcha')
 
 from plone.formwidget.captcha.widget import CaptchaWidget
 from plone.formwidget.captcha.widget import CaptchaFieldWidget
\ No newline at end of file