diff --git a/CHANGES.txt b/CHANGES.txt
index fed8a50..4ea5e54 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.0b11 (unreleased)
+-------------------
+
+- Fixed handling of non-ascii member data, like fullname and email.
+  [hannosch]
+
 1.0b10 (2010-10-15)
 -------------------
 
diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index 767cc31..8a85457 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -172,6 +172,11 @@ class CommentForm(extensible.ExtensibleForm, form.Form):
             fullname = member.getProperty('fullname')
             if not fullname or fullname == '':
                 fullname = member.getUserName()
+            # memberdata is stored as utf-8 encoded strings
+            elif isinstance(fullname, str):
+                fullname = unicode(fullname, 'utf-8')
+            if email and isinstance(email, str):
+                email = unicode(email, 'utf-8')
             comment.creator = fullname
             comment.author_username = username
             comment.author_name = fullname
diff --git a/plone/app/discussion/comment.py b/plone/app/discussion/comment.py
index 3d43266..08ae949 100644
--- a/plone/app/discussion/comment.py
+++ b/plone/app/discussion/comment.py
@@ -123,7 +123,7 @@ class Comment(CatalogAware, WorkflowAware, DynamicType, Traversable,
         else:
             creator = self.creator
             creator = creator
-            
+
         # Fetch the content object (the parent of the comment is the 
         # conversation, the parent of the conversation is the content object).
         content = aq_base(self.__parent__.__parent__)
diff --git a/plone/app/discussion/testing.py b/plone/app/discussion/testing.py
index 07fc690..076bf82 100644
--- a/plone/app/discussion/testing.py
+++ b/plone/app/discussion/testing.py
@@ -49,7 +49,7 @@ class PloneAppDiscussion(PloneSandboxLayer):
         )
         mtool = getToolByName(portal, 'portal_membership', None) 
         mtool.addMember('jim', 'Jim', ['Member'], []) 
-        mtool.getMemberById('jim').setMemberProperties({"fullname": 'Jim Fulton'})             
+        mtool.getMemberById('jim').setMemberProperties({"fullname": 'Jim Fult\xc3\xb8rn'})
 
         acl_users.userFolderAddUser(
             self.MANAGER_USER_NAME,
diff --git a/plone/app/discussion/tests/functional_test_comments.txt b/plone/app/discussion/tests/functional_test_comments.txt
index cefb046..1421afc 100644
--- a/plone/app/discussion/tests/functional_test_comments.txt
+++ b/plone/app/discussion/tests/functional_test_comments.txt
@@ -30,13 +30,13 @@ We also keep another testbrowser handy for testing how tiles are rendered if
 you're not logged in::
 
     >>> unprivileged_browser = Browser(app)
-    
-Add a test user
- 
+
+Make sure we have a test user from the layer and it uses fancy characters:
+
     >>> from Products.CMFCore.utils import getToolByName
-    >>> mtool = getToolByName(portal, 'portal_membership', None) 
-    >>> mtool.addMember('jim', 'Jim', ['Member'], []) 
-    >>> mtool.getMemberById('jim').setMemberProperties({"fullname": 'Jim Fulton'}) 
+    >>> mtool = getToolByName(portal, 'portal_membership', None)
+    >>> mtool.getMemberById('jim').getProperty('fullname')
+    'Jim Fult\xc3\xb8rn'
 
 Create a public page with comments allowed.
 
@@ -118,7 +118,7 @@ Post a comment as user jim.
 Check if the comment has been added properly.
 
     >>> browser.contents
-    '...<a href="http://nohost/plone/author/jim">Jim Fulton</a>...says:...'
+    '...<a href="http://nohost/plone/author/jim">Jim Fult\xc3\xb8rn</a>...says:...'
 
     >>> "Comment from Jim" in browser.contents
     True
diff --git a/setup.py b/setup.py
index 1aa94d4..963de26 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '1.0b10'
+version = '1.0b11'
 
 setup(name='plone.app.discussion',
       version=version,