diff --git a/src/plonesocial/microblog/statusupdate.py b/src/plonesocial/microblog/statusupdate.py
index 0bb05f9..b2de05c 100644
--- a/src/plonesocial/microblog/statusupdate.py
+++ b/src/plonesocial/microblog/statusupdate.py
@@ -49,7 +49,7 @@ def _init_userid(self):
     def _init_creator(self):
         portal_membership = getToolByName(getSite(), 'portal_membership')
         member = portal_membership.getAuthenticatedMember()
-        self.creator = member.getUserName()
+        self.creator = member.getProperty('fullname') or member.getUserName()
 
     # for unittest subclassing
     def _init_context(self, context):