diff --git a/glance/meta/prometheus.yml b/glance/meta/prometheus.yml
index 4e1a84d..17c88a9 100644
--- a/glance/meta/prometheus.yml
+++ b/glance/meta/prometheus.yml
@@ -5,7 +5,7 @@
   alert:
     GlanceAPIDown:
       if: >-
-        max(openstack_api_check_status{service=~"glance.+"}) by (service) == 0
+        max(openstack_api_check_status{service=~"glance.*"}) by (service) == 0
       for: 2m
       labels:
         severity: down