diff --git a/db/migrate/20110119060243_add_index_to_post_visibilities.rb b/db/migrate/20110119060243_add_index_to_post_visibilities.rb
new file mode 100644
index 000000000..a2e682941
--- /dev/null
+++ b/db/migrate/20110119060243_add_index_to_post_visibilities.rb
@@ -0,0 +1,9 @@
+class AddIndexToPostVisibilities < ActiveRecord::Migration
+  def self.up
+    add_index :post_visibilities, [:aspect_id, :post_id]
+  end
+
+  def self.down
+    remove_index :post_visibilities, [:aspect_id, :post_id]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7cda7f23f..24f66bf5c 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 => 20110105051803) do
+ActiveRecord::Schema.define(:version => 20110119060243) do
 
   create_table "aspect_memberships", :force => true do |t|
     t.integer  "aspect_id"
@@ -316,6 +316,7 @@ ActiveRecord::Schema.define(:version => 20110105051803) do
     t.datetime "updated_at"
   end
 
+  add_index "post_visibilities", ["aspect_id", "post_id"], :name => "index_post_visibilities_on_aspect_id_and_post_id"
   add_index "post_visibilities", ["aspect_id"], :name => "index_post_visibilities_on_aspect_id"
   add_index "post_visibilities", ["post_id"], :name => "index_post_visibilities_on_post_id"