Index: modules/system/system.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.admin.inc,v
retrieving revision 1.285
diff -u -r1.285 system.admin.inc
--- modules/system/system.admin.inc	26 May 2010 07:31:47 -0000	1.285
+++ modules/system/system.admin.inc	28 May 2010 05:52:33 -0000
@@ -945,7 +945,8 @@
       ),
     );
   }
-
+  //alphabetize the order of the fieldsets 
+  ksort($form['modules']);
   $form['actions'] = array('#type' => 'actions');
   $form['actions']['submit'] = array(
     '#type' => 'submit',