diff --git a/app/models/activity_streams/photo.rb b/app/models/activity_streams/photo.rb
index b153cc68d..d6641ddc1 100644
--- a/app/models/activity_streams/photo.rb
+++ b/app/models/activity_streams/photo.rb
@@ -12,11 +12,13 @@ class ActivityStreams::Photo < Post
   xml_attr :object_url
   xml_attr :provider_display_name
   xml_attr :actor_url
+  xml_attr :objectId
 
   validates_presence_of :image_url,
                         :object_url,
                         :provider_display_name,
-                        :actor_url
+                        :actor_url,
+                        :objectId
 
   def socket_to_user(user_or_id, opts={}) #adds aspect_ids to opts if they are not there
     unless opts[:aspect_ids]
@@ -35,6 +37,7 @@ class ActivityStreams::Photo < Post
       :image_height => json["object"]["image"]["height"],
       :image_width => json["object"]["image"]["width"],
       :object_url => json["object"]["url"],
+      :objectId => json["object"]["id"],
 
       :provider_display_name => json["provider"]["displayName"],
       :actor_url => json["actor"]["url"]
diff --git a/db/migrate/20110524184202_add_object_id_to_post.rb b/db/migrate/20110524184202_add_object_id_to_post.rb
new file mode 100644
index 000000000..77a707c79
--- /dev/null
+++ b/db/migrate/20110524184202_add_object_id_to_post.rb
@@ -0,0 +1,10 @@
+class AddObjectIdToPost < ActiveRecord::Migration
+  def self.up
+    add_column(:posts, :objectId, :integer)
+    execute("UPDATE posts SET objectId = object_url")
+  end
+
+  def self.down
+    add_column(:posts, :objectId, :integer)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 4237ec91d..ce8183c91 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20110518222303) do
+ActiveRecord::Schema.define(:version => 20110524184202) do
 
   create_table "aspect_memberships", :force => true do |t|
     t.integer  "aspect_id",  :null => false
@@ -248,6 +248,7 @@ ActiveRecord::Schema.define(:version => 20110518222303) do
     t.integer  "image_width"
     t.string   "provider_display_name"
     t.string   "actor_url"
+    t.integer  "objectId"
   end
 
   add_index "posts", ["author_id"], :name => "index_posts_on_person_id"
diff --git a/spec/factories.rb b/spec/factories.rb
index b7f7aac31..63216ab6c 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -109,7 +109,8 @@ Factory.define(:activity_streams_photo, :class => ActivityStreams::Photo) do |p|
   p.image_url "http://example.com/awesome.png"
   p.image_height 9001
   p.image_width 4
-  p.object_url "http://example.com/awesome_things.html"
+  p.object_url "http://example.com/awesome_things.gif"
+  p.objectId "http://example.com/awesome_things.gif"
   p.actor_url "http://notcubbi.es/cubber"
   p.provider_display_name "not cubbies"
 end
diff --git a/spec/models/activity_streams/photo_spec.rb b/spec/models/activity_streams/photo_spec.rb
index b48b17ed6..4b856c85c 100644
--- a/spec/models/activity_streams/photo_spec.rb
+++ b/spec/models/activity_streams/photo_spec.rb
@@ -19,6 +19,7 @@ JSON
       photo.image_height.should == @json["object"]["image"]["height"]
       photo.image_width.should == @json["object"]["image"]["width"]
       photo.object_url.should == @json["object"]["url"]
+      photo.objectId.should == @json["object"]["id"]
 
       photo.provider_display_name.should == @json["provider"]["displayName"]
       photo.actor_url.should == @json["actor"]["url"]