diff --git a/spec/lib/postzord/dispatch_spec.rb b/spec/lib/postzord/dispatch_spec.rb
index 414dde600..6991e8b93 100644
--- a/spec/lib/postzord/dispatch_spec.rb
+++ b/spec/lib/postzord/dispatch_spec.rb
@@ -302,7 +302,9 @@ describe Postzord::Dispatch do
       it 'should call object#socket_to_user for each local user' do
         sc = mock()
         SocketsController.should_receive(:new).and_return(sc)
-        sc.should_receive(:outgoing).with(bob, @zord.instance_variable_get(:@object), :aspect_ids => bob.contact_for(alice.person).aspect_memberships.map{|a| a.aspect_id})
+        sc.should_receive(:outgoing).with(bob,
+                                          @zord.instance_variable_get(:@object),
+                                          :aspect_ids => bob.contact_for(alice.person).aspect_memberships.map{|a| postgres? ? a.aspect_id.to_s : a.aspect_id })
         @zord.send(:socket_and_notify_users, [bob])
       end
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index eeb373643..3eef3e598 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -83,3 +83,7 @@ end
 def photo_fixture_name
     @photo_fixture_name = File.join(File.dirname(__FILE__), 'fixtures', 'button.png')
 end
+
+def postgres?
+  defined?(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter) && ActiveRecord::Base.connection.is_a?(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
+end