diff --git a/plone/app/discussion/comment.py b/plone/app/discussion/comment.py
index 5cacdc2..d21438b 100644
--- a/plone/app/discussion/comment.py
+++ b/plone/app/discussion/comment.py
@@ -120,8 +120,10 @@ class Comment(CatalogAware, WorkflowAware, DynamicType, Traversable,
         """
 
         if not self.creator:
-            anonymous = _(u"label_anonymous",
-                          default=u"Anonymous")
+            creator = _(u"label_anonymous",
+                        default=u"Anonymous")
+        else:
+            creator = self.creator
 
         # Fetch the content object (the parent of the comment is the 
         # conversation, the parent of the conversation is the content object).
@@ -129,7 +131,7 @@ class Comment(CatalogAware, WorkflowAware, DynamicType, Traversable,
         
         title = translate(
             Message(COMMENT_TITLE,
-                    mapping={'creator': self.creator,
+                    mapping={'creator': creator,
                              'content': content.Title()}))
         return title
     
diff --git a/plone/app/discussion/tests/test_catalog.py b/plone/app/discussion/tests/test_catalog.py
index 23c199e..da7924f 100644
--- a/plone/app/discussion/tests/test_catalog.py
+++ b/plone/app/discussion/tests/test_catalog.py
@@ -232,6 +232,20 @@ class CommentCatalogTest(PloneTestCase):
 
     def test_title(self):
         self.assertEquals(self.comment_brain.Title, 'Jim on Document 1')
+        
+    def test_no_name_title(self):
+        comment = createObject('plone.Comment')
+        comment.text = 'Comment text'
+        cid = self.conversation.addComment(comment)
+
+        # Comment brain
+        comment = self.portal.doc1.restrictedTraverse(
+            '++conversation++default/%s' % cid)
+        brains = self.catalog.searchResults(
+                     path = {'query' : 
+                             '/'.join(comment.getPhysicalPath()) })
+        comment_brain = brains[0]
+        self.assertEquals(comment_brain.Title, "Anonymous on Document 1")
 
     def test_type(self):
         self.assertEquals(self.comment_brain.portal_type, 'Discussion Item')
diff --git a/plone/app/discussion/tests/test_comment.py b/plone/app/discussion/tests/test_comment.py
index bc1a49d..2cb38a0 100644
--- a/plone/app/discussion/tests/test_comment.py
+++ b/plone/app/discussion/tests/test_comment.py
@@ -65,7 +65,13 @@ class CommentTest(PloneTestCase):
         comment1.creator = "Jim Fulton"
         conversation.addComment(comment1)
         self.assertEquals("Jim Fulton on Document 1", comment1.Title())
-        
+
+    def test_no_name_title(self):
+        conversation = IConversation(self.portal.doc1)        
+        comment1 = createObject('plone.Comment')
+        conversation.addComment(comment1)
+        self.assertEquals("Anonymous on Document 1", comment1.Title())
+
     def test_creator(self):
         comment1 = createObject('plone.Comment')
         comment1.creator = "Jim"