diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 480baf1..6f38495 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -111,13 +111,13 @@ class CommentsViewlet(ViewletBase):
     def anonymous_discussion_allowed(self):
         # Check if anonymous comments are allowed in the registry
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
         return settings.anonymous_comments
 
     def show_commenter_image(self):
         # Check if showing commenter image is enabled in the registry
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
         return settings.show_commenter_image
 
     def is_anonymous(self):
diff --git a/plone/app/discussion/browser/controlpanel.py b/plone/app/discussion/browser/controlpanel.py
index 935cf84..e692cb3 100644
--- a/plone/app/discussion/browser/controlpanel.py
+++ b/plone/app/discussion/browser/controlpanel.py
@@ -45,7 +45,7 @@ class Utility(BrowserView):
 
         settings = None
         try:
-            settings = registry.for_interface(IDiscussionSettings)
+            settings = registry.forInterface(IDiscussionSettings)
         except KeyError:
             return False
 
diff --git a/plone/app/discussion/conversation.py b/plone/app/discussion/conversation.py
index a02a8a9..de4d156 100644
--- a/plone/app/discussion/conversation.py
+++ b/plone/app/discussion/conversation.py
@@ -96,7 +96,7 @@ class Conversation(Traversable, Persistent, Explicit):
 
         # Fetch discussion registry
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
 
         # Check if discussion is allowed globally
         if not settings.globally_enabled:
diff --git a/plone/app/discussion/tests/test_conversation.py b/plone/app/discussion/tests/test_conversation.py
index e5f6c27..d145253 100644
--- a/plone/app/discussion/tests/test_conversation.py
+++ b/plone/app/discussion/tests/test_conversation.py
@@ -219,7 +219,7 @@ class ConversationTest(PloneTestCase):
 
         # Disable commenting in the registry
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
         settings.globally_enabled = False
 
         # Check if commenting is disabled on the conversation
@@ -247,7 +247,7 @@ class ConversationTest(PloneTestCase):
 
         # Disable commenting in the registry
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
         settings.globally_enabled = False
 
         # Check if commenting is disabled on the conversation
@@ -337,7 +337,7 @@ class ConversationTest(PloneTestCase):
         # Allow discussion on a single content object
 
         registry = queryUtility(IRegistry)
-        settings = registry.for_interface(IDiscussionSettings)
+        settings = registry.forInterface(IDiscussionSettings)
 
         # Create a conversation.
         conversation = IConversation(self.portal.doc1)