diff -u b/http/Provision/Service/http/nginx.php b/http/Provision/Service/http/nginx.php
--- b/http/Provision/Service/http/nginx.php
+++ b/http/Provision/Service/http/nginx.php
@@ -182,7 +182,7 @@
     if (!empty($server_task)) {
       drush_log(dt('PHP-FPM @mode mode detected -' . '@task' . '- @yes_or_no socket found @path.', array(
         '@mode' => ($mode == 'socket') ? 'unix socket' : 'port',
-        '@task' => drupal_strtoupper($server_task),
+        '@task' => strtoupper($server_task),
         '@yes_or_no' => ($mode == 'socket') ? 'YES' : 'NO',
         '@path' => ($socket_path ? $socket_path : self::SOCKET_PATH_PHP5 . ' or ' . self::SOCKET_PATH_PHP7),
       )));