--- admin.module	2010-01-26 19:12:38.000000000 -0500
+++ admin.module.patched	2010-01-26 19:08:38.000000000 -0500
@@ -590,8 +590,19 @@ function _admin_theme_rebuild($force = F
     $theme->info = system_theme_default();
     $theme->info['name'] = 'Slate';
 
-    db_query("DELETE FROM {system} WHERE name = 'slate' AND type = 'theme'");
-    db_query("INSERT INTO {system} (name, owner, info, type, filename, status, throttle, bootstrap) VALUES ('%s', '%s', '%s', '%s', '%s', %d, %d, %d)", $theme->name, $theme->owner, serialize($theme->info), 'theme', $theme->filename, isset($theme->status) ? $theme->status : 0, 0, 0);
+    if (!$exists) {
+      db_query("INSERT INTO {system} (name, owner, info, type, filename, status, throttle, bootstrap) VALUES ('%s', '%s', '%s', '%s', '%s', %d, %d, %d)", $theme->name, $theme->owner, serialize($theme->info), 'theme', $theme->filename, isset($theme->status) ? $theme->status : 0, 0, 0);
+    }
+    else {
+      db_query("UPDATE {system} SET owner = '%s', 
+                                    info  = '%s', 
+                                    type = '%s', 
+                                    filename = '%s',
+                                    status = '%s',
+                                    throttle = '%s', 
+                                    bootstrap = '%s'
+                                WHERE name = '%s'", $theme->owner, serialize($theme->info), 'theme', $theme->filename, isset($theme->status) ? $theme->status : 0, 0, 0, $theme->name);
+    }
   
     variable_set('admin_theme_invalidated', FALSE);
   }