diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index f7bf24ae27e9d1b16f3b0de44add3489c502c51c..27d710d3950a7f271fead3cd1a88d8d58e686944 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -748,10 +748,10 @@ class nginx_plugin {
           $primitive_root = $df_output[1];
 
           if($file_system == 'xfs') {
-			exec("xfs_quota -x -c 'limit -g bsoft=$mb_soft" . 'm'. " bhard=$mb_hard" . 'm'. " $username' $primitive_root");
+			exec("xfs_quota -x -c 'limit -u bsoft=$mb_soft" . 'm'. " bhard=$mb_hard" . 'm'. " $username' $primitive_root");
 
             // xfs only supports timers globally, not per user.
-            exec("xfs_quota -x -c 'timer -bir -i 604800'");
+            exec("xfs_quota -x -c 'timer -bir -i 604800' $primitive_root");
 
             unset($project_uid, $username_position, $xfs_projects);
             unset($primitive_root, $df_output, $mb_hard, $mb_soft);