diff -Naur commons_utility_links.orig/commons_utility_links.install commons_utility_links/commons_utility_links.install
--- commons_utility_links.orig/commons_utility_links.install	2015-03-24 13:44:17.000000000 +0100
+++ commons_utility_links/commons_utility_links.install	2015-03-24 13:43:43.000000000 +0100
@@ -9,11 +9,12 @@
  */
 function commons_utility_links_install() {
   cache_clear_all('*', 'cache_block', TRUE);
+  $theme = variable_get('theme_default', 'openstack_bootstrap');
  // Place site blocks in the menu_bar and header regions.
   $utility_block = array(
     'module' => 'commons_utility_links',
     'delta' => 'commons_utility_links',
-    'theme' => 'commons_origins',
+    'theme' => $theme,
     'visibility' => 0,
     'region' => 'header',
     'status' => 1,
@@ -28,7 +29,7 @@
     ->fields(array('cache' => DRUPAL_NO_CACHE))
     ->condition('delta', 'commons_utility_links')
     ->condition('module', 'commons_utility_links')
-    ->condition('theme', 'commons_origins')
+    ->condition('theme', $theme)
     ->execute();
 }
 
@@ -36,6 +37,7 @@
  * Remove utility_links block, and enable commons_utility_links, that never caches.
  */
 function commons_utility_links_update_7301() {
+  $theme = variable_get('theme_default', 'openstack_bootstrap');
   db_delete('block')
     ->condition('module', 'commons_utility_links')
     ->condition('delta', 'utility_links')
@@ -50,7 +52,7 @@
     ))
     ->condition('delta', 'commons_utility_links')
     ->condition('module', 'commons_utility_links')
-    ->condition('theme', 'commons_origins')
+    ->condition('theme', $theme)
     ->execute();
   cache_clear_all('*', 'cache_block', TRUE);
 }