diff --git a/domain.bootstrap.inc b/domain.bootstrap.inc
index 8815828..8cb98c8 100644
--- a/domain.bootstrap.inc
+++ b/domain.bootstrap.inc
@@ -53,6 +53,10 @@ define('DOMAIN_BOOTSTRAP_FULL', 2);
  * in drupal_bootstrap() in order to have database functions available.
  */
 function domain_bootstrap() {
+  // We do not need to bootstrap the Domain module on installation phase.
+  if (defined('MAINTENANCE_MODE') && MAINTENANCE_MODE == 'install') {
+    return NULL;
+  }
   global $_domain;
   // Initialize our global variable.
   $_domain = array();