diff --git a/apache.cf b/apache.cf
index 4534ff3..621af7e 100644
--- a/apache.cf
+++ b/apache.cf
@@ -27,7 +27,7 @@ vars:
 		"cfg_dir" string => "$(etc_dir)/apache24";
 		"main_cfg" string => "$(cfg_dir)/httpd.conf";
 		"libexec_dir" string => "libexec/apache24";
-		"www_dir" string => "/usr/local/www";
+		"www_dir" string => "/usr/local/www",unless => isvariable( $(this.promiser) ) ;
 		"default_html_dir" string => "$(www_dir)/apache24";
 		"server_root" string => "/usr/local";
 		"modules" data => '[ 
@@ -51,7 +51,7 @@ vars:
 		"www_user" string => "www-data";
 		"www_group" string => "www-data";
 		"mime_types" string => "/etc/mime.types";
-		"www_dir" string => "/var/www";
+		"www_dir" string => "/var/www",unless => isvariable( $(this.promiser) ) ;
 		"default_html_dir" string => "$(www_dir)/html";
 		"etc_dir" string => "/etc";
 		"cfg_dir" string => "$(etc_dir)/apache2";