diff --git a/drupalorg_testing.make.bootstrap b/drupalorg_testing.make.bootstrap
index d6bf745..7e3e7d9 100644
--- a/drupalorg_testing.make.bootstrap
+++ b/drupalorg_testing.make.bootstrap
@@ -4,16 +4,14 @@
 api = 2
 core = 6.x
 
-projects[drupal][type] = "core"
-projects[drupal][download][type] = "git"
-projects[drupal][download][revision] = "6.x"
-
-; Patch required to core for SimpleTest module.
-projects[drupal][patch][] = "http://git.drupalcode.org/project/simpletest.git/blob_plain/refs/heads/6.x-2.x:/D6-core-simpletest.patch"
+; Drupal.org is using Pressflow, a high-performance Drupal distribution.
+projects[pressflow][type] = "core"
+projects[pressflow][download][type] = "get"
+projects[pressflow][download][url] = "http://files.pressflow.org/pressflow-6-current.tar.gz"
 
 ; Patch required to core to avoid fatal errors during install due to some modules
 ; expecting a certain level of bootstrappiness in their .install files.
-projects[drupal][patch][] = "http://drupal.org/files/issues/drupal_get_filename-341140-48_p0-D6.patch"
+projects[pressflow][patch][] = "http://drupal.org/files/issues/drupal_get_filename-341140-48_p0-D6.patch"
 
 ; Run the makefile from the drupalorg_testing.make file in this profile.
 projects[drupalorg_testing][type] = "profile"