Ticket #14536: 14536.diff

wp-includes/load.php

@@ -595 +595 @@
         if ( defined( 'MULTISITE' ) )
                 return MULTISITE;
 
-        if ( defined( 'VHOST' ) || defined( 'SUNRISE' ) )
+        if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) )
                 return true;
 
         return false;