diff --git a/quick-cache/includes/advanced-cache.tpl.php b/quick-cache/includes/advanced-cache.tpl.php
index f65cc47..1465c21 100644
--- a/quick-cache/includes/advanced-cache.tpl.php
+++ b/quick-cache/includes/advanced-cache.tpl.php
@@ -117,7 +117,7 @@ public function maybe_start_output_buffering()
 					$http_host_nps  = preg_replace('/\:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
 					$host_dir_token = '/'; // Assume NOT multisite; or running it's own domain.
 
-					if(is_multisite() && (!defined('SUBDOMAIN_INSTALL') || !SUBDOMAIN_INSTALL) && (!defined('VHOST') || !VHOST))
+					if(is_multisite() && (!defined('SUBDOMAIN_INSTALL') || !SUBDOMAIN_INSTALL))
 						{ // Multisite w/ sub-directories; need sub-directory. We MUST validate against blog paths too.
 
 							list($host_dir_token) = explode('/', trim($_SERVER['REQUEST_URI'], '/'));
diff --git a/quick-cache/quick-cache.inc.php b/quick-cache/quick-cache.inc.php
index ab60db7..9e69ca8 100644
--- a/quick-cache/quick-cache.inc.php
+++ b/quick-cache/quick-cache.inc.php
@@ -340,7 +340,7 @@ public function clear_cache($manually = FALSE)
 							$http_host_nps  = preg_replace('/\:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
 							$host_dir_token = '/'; // Assume NOT multisite; or running it's own domain.
 
-							if($is_multisite && (!defined('SUBDOMAIN_INSTALL') || !SUBDOMAIN_INSTALL) && (!defined('VHOST') || !VHOST))
+							if($is_multisite && (!defined('SUBDOMAIN_INSTALL') || !SUBDOMAIN_INSTALL))
 								{ // Multisite w/ sub-directories; need sub-directory. We MUST validate against blog paths too.
 
 									list($host_dir_token) = explode('/', trim($_SERVER['REQUEST_URI'], '/'));