diff --git a/plone/app/discussion/browser/controlpanel.py b/plone/app/discussion/browser/controlpanel.py
index 5e904d8..8c88039 100644
--- a/plone/app/discussion/browser/controlpanel.py
+++ b/plone/app/discussion/browser/controlpanel.py
@@ -6,7 +6,6 @@ from plone.app.registry.browser import controlpanel
 from plone.registry.interfaces import IRecordModifiedEvent
 from plone.registry.interfaces import IRegistry
 from Products.CMFCore.utils import getToolByName
-from Products.CMFPlone.interfaces.controlpanel import IConfigurationChangedEvent  # noqa: E501
 from Products.CMFPlone.interfaces.controlpanel import IMailSchema
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
 from Products.statusmessages.interfaces import IStatusMessage
@@ -17,6 +16,11 @@ from zope.component import getUtility
 from zope.component import queryUtility
 from zope.component.hooks import getSite
 
+try:
+    from Products.CMFPlone.interfaces.controlpanel import IConfigurationChangedEvent  # noqa: E501
+except ImportError:
+    from Products.CMFPlone.interfaces import IConfigurationChangedEvent  # noqa: E501
+
 
 class DiscussionSettingsEditForm(controlpanel.RegistryEditForm):
     """Discussion settings form.