diff --git a/group_vars/metricspi/vmalert.yml b/group_vars/metricspi/vmalert.yml
index 519b3dc..29a6966 100644
--- a/group_vars/metricspi/vmalert.yml
+++ b/group_vars/metricspi/vmalert.yml
@@ -7,3 +7,4 @@ vmalert_external_alert_source: >-
   {% raw -%}
   explore?orgId=1&left=%5B"now-1h","now","metrics",%7B"expr":"{{$expr|queryEscape}}"%7D%5D
   {%- endraw %}
+vmalert_http_path_prefix: /vmalert/
diff --git a/roles/vmalert/templates/vmalert.sysconfig.j2 b/roles/vmalert/templates/vmalert.sysconfig.j2
index 06a31be..13740e2 100644
--- a/roles/vmalert/templates/vmalert.sysconfig.j2
+++ b/roles/vmalert/templates/vmalert.sysconfig.j2
@@ -16,3 +16,6 @@ external_url={{ vmalert_external_url }}
 {% if vmalert_external_alert_source|d %}
 external_alert_source={{ vmalert_external_alert_source }}
 {% endif %}
+{% if vmalert_http_path_prefix|d %}
+http_pathPrefix={{ vmalert_http_path_prefix }}
+{% endif %}