diff --git a/xmlsitemap_engines/xmlsitemap_engines.module b/xmlsitemap_engines/xmlsitemap_engines.module
index fb47a59..a9d81a2 100644
--- a/xmlsitemap_engines/xmlsitemap_engines.module
+++ b/xmlsitemap_engines/xmlsitemap_engines.module
@@ -62,7 +62,7 @@ function xmlsitemap_engines_cron() {
 function xmlsitemap_engines_can_submit() {
   // Skip if the site is offline since search engines will not be able to
   // access the site's content.
-  if (variable_get('site_offline', 0)) {
+  if (variable_get('maintenance_mode', 0)) {
     return FALSE;
   }