diff --git a/templates/prometheus/config/prometheus/prometheus.yml.j2 b/templates/prometheus/config/prometheus/prometheus.yml.j2
index f3543f7..737e5f6 100644
--- a/templates/prometheus/config/prometheus/prometheus.yml.j2
+++ b/templates/prometheus/config/prometheus/prometheus.yml.j2
@@ -454,7 +454,7 @@ scrape_configs:
       - targets: [
 {% for server_info in stage_server_infos | default([]) %}
 {% if server_info.service == 'maria' %}
-          '{{ server_info.private_ip }}:{{ monitor_port_system }}!{{ server_info.name }}.{{ domain }}',
+          '{{ server_info.private_ip }}:{{ monitor_port_maria }}!{{ server_info.name }}.{{ domain }}',
 {% endif %}
 {% endfor %}
         ]