diff --git a/update/ansible/playbook/tasks/roles/nginx/files/conf.d/pmm.conf b/update/ansible/playbook/tasks/roles/nginx/files/conf.d/pmm.conf
index af66541da7..dfdbfe8f11 100644
--- a/update/ansible/playbook/tasks/roles/nginx/files/conf.d/pmm.conf
+++ b/update/ansible/playbook/tasks/roles/nginx/files/conf.d/pmm.conf
@@ -45,17 +45,17 @@
 
     # this block checks for maintenance.html file and, if it exists, it redirects all requests to the maintenance page
     # there are two exceptions for it /v1/Updates/Status and /auth_request endpoints
-    set $skip_maintenance 0;
+    set $maintenance_mode 0;
 
     if (-f /usr/share/pmm-server/maintenance/maintenance.html) {
-        set $skip_maintenance 1;
+        set $maintenance_mode 1;
     }
 
     if ($request_uri ~* "^/v1/Updates/Status|^/auth_request") {
-        set $skip_maintenance 0;
+        set $maintenance_mode 0;
     }
 
-    if ($skip_maintenance = 1) {
+    if ($maintenance_mode = 1) {
         return 503;
     }