diff --git a/ckan/logic/action/create.py b/ckan/logic/action/create.py
index 2c8b4f819b1..65f00962a97 100644
--- a/ckan/logic/action/create.py
+++ b/ckan/logic/action/create.py
@@ -7,6 +7,7 @@
 from ckan.logic import NotFound, ValidationError
 from ckan.logic import check_access
 from ckan.lib.base import _
+import ckan.lib.dictization
 from ckan.lib.dictization.model_dictize import (package_to_api1,
                                                 package_to_api2,
                                                 group_to_api1,
@@ -179,7 +180,9 @@ def group_create(context, data_dict):
             'object_id': group.id,
             'activity_type': 'new group',
             }
-    activity_dict['data'] = {'group': group_dictize(group, context)}
+    activity_dict['data'] = {
+            'group': ckan.lib.dictization.table_dictize(group, context)
+            }
     activity_create(context, activity_dict)
 
     if not context.get('defer_commit'):
diff --git a/ckan/logic/action/update.py b/ckan/logic/action/update.py
index 7921ffbeabd..f5858c1bbe9 100644
--- a/ckan/logic/action/update.py
+++ b/ckan/logic/action/update.py
@@ -8,6 +8,7 @@
 
 from ckan.lib.base import _
 from vdm.sqlalchemy.base import SQLAlchemySession
+import ckan.lib.dictization
 from ckan.lib.dictization.model_dictize import (package_dictize,
                                                 package_to_api1,
                                                 package_to_api2,
@@ -337,7 +338,8 @@ def group_update(context, data_dict):
             'object_id': group.id,
             'activity_type': 'changed group',
             }
-    activity_dict['data'] = {'group': group_dictize(group, context)}
+    activity_dict['data'] = {'group':
+            ckan.lib.dictization.table_dictize(group, context)}
     from ckan.logic.action.create import activity_create
     activity_create(context, activity_dict)
     # TODO: Also create an activity detail recording what exactly changed in
diff --git a/ckan/model/package.py b/ckan/model/package.py
index 7f64e653b65..083ae5d48df 100644
--- a/ckan/model/package.py
+++ b/ckan/model/package.py
@@ -541,16 +541,17 @@ def get_fields(core_only=False, fields_to_ignore=None):
         return fields
 
     def activity_stream_item(self, activity_type, revision, user_id):
-        import ckan.model as model
-        from ckan.lib.dictization.model_dictize import package_dictize
-        from ckan.logic import NotFound
-        assert activity_type in ("new", "changed", "deleted"), \
-            str(activity_type)
+        import ckan.model
+        import ckan.lib.dictization
+        import ckan.logic
+        assert activity_type in ("new", "changed", "deleted"), (
+            str(activity_type))
         try:
-            d = {'package': package_dictize(self, context={'model': model})}
+            d = {'package': ckan.lib.dictization.table_dictize(self,
+                context={'model': ckan.model})}
             return Activity(user_id, self.id, revision.id,
                     "%s package" % activity_type, d)
-        except NotFound:
+        except ckan.logic.NotFound:
             # This happens if this package is being purged and therefore has no
             # current revision.
             # TODO: Purge all related activity stream items when a model object
@@ -558,7 +559,9 @@ def activity_stream_item(self, activity_type, revision, user_id):
             return None
 
     def activity_stream_detail(self, activity_id, activity_type):
-        import ckan.model as model
-        from ckan.lib.dictization.model_dictize import package_dictize
-        return ActivityDetail(activity_id, self.id, u"Package", activity_type, 
-            {'package': package_dictize(self, context={'model':model})})
+        import ckan.model
+        import ckan.lib.dictization
+        package_dict = ckan.lib.dictization.table_dictize(self,
+                context={'model':ckan.model})
+        return ActivityDetail(activity_id, self.id, u"Package", activity_type,
+            {'package': package_dict })
diff --git a/ckan/model/resource.py b/ckan/model/resource.py
index b3799ae52cd..ac23a5746cb 100644
--- a/ckan/model/resource.py
+++ b/ckan/model/resource.py
@@ -142,9 +142,11 @@ def related_packages(self):
 
     def activity_stream_detail(self, activity_id, activity_type):
         import ckan.model as model
-        from ckan.lib.dictization.model_dictize import resource_dictize
+        import ckan.lib.dictization
+        res_dict = ckan.lib.dictization.table_dictize(self,
+                context={'model':model})
         return ActivityDetail(activity_id, self.id, u"Resource", activity_type,
-                {'resource': resource_dictize(self, context={'model':model})})
+                {'resource': res_dict})
 
 class ResourceGroup(vdm.sqlalchemy.RevisionedObjectMixin,
                vdm.sqlalchemy.StatefulObjectMixin,
diff --git a/ckan/model/tag.py b/ckan/model/tag.py
index b89c888833e..1466fc1fbd2 100644
--- a/ckan/model/tag.py
+++ b/ckan/model/tag.py
@@ -115,12 +115,11 @@ def activity_stream_detail(self, activity_id, activity_type):
             return None
 
         # Return an 'added tag' or 'removed tag' activity.
-        from ckan.lib.dictization.model_dictize import package_dictize
-        from ckan.lib.dictization.model_dictize import tag_dictize
+        import ckan.lib.dictization
         import ckan.model
         c = {'model': ckan.model}
-        d = {'tag': tag_dictize(self.tag, c),
-            'package': package_dictize(self.package, c)}
+        d = {'tag': ckan.lib.dictization.table_dictize(self.tag, c),
+            'package': ckan.lib.dictization.table_dictize(self.package, c)}
         return activity.ActivityDetail(
             activity_id=activity_id,
             object_id=self.id,
diff --git a/ckan/templates/activity_streams/changed_group.html b/ckan/templates/activity_streams/changed_group.html
index 6fe416f4aea..d6904ad3000 100644
--- a/ckan/templates/activity_streams/changed_group.html
+++ b/ckan/templates/activity_streams/changed_group.html
@@ -12,7 +12,7 @@
     <span style="background:yellow;">updated</span>
     the group
     <a href="${h.url_for(controller='group', action='read', id=activity.data.group.name)}">
-        ${activity.data.group.display_name}
+        ${activity.data.group.name}
     </a>
   <div style="color:#999;">
     ${h.truncate(activity.data.group.description, length=80, whole_word=True)}
diff --git a/ckan/templates/activity_streams/new_group.html b/ckan/templates/activity_streams/new_group.html
index 834bd9a0a36..d987047f28d 100644
--- a/ckan/templates/activity_streams/new_group.html
+++ b/ckan/templates/activity_streams/new_group.html
@@ -12,7 +12,7 @@
     <span style="background:yellow;">created</span>
     the group
     <a href="${h.url_for(controller='group', action='read', id=activity.data.group.name)}">
-        ${activity.data.group.display_name}
+        ${activity.data.group.name}
     </a>
     ${h.render_datetime(activity.timestamp, '%B %d %Y')}
   </div>