diff --git a/services.core.yml b/services.core.yml
index 2ae62b71874d296b6ce0aa797d337db78007e4ab..1bee66967b43c2b90f1fe58ffd13c06e48a70c90 100644
--- a/services.core.yml
+++ b/services.core.yml
@@ -106,7 +106,7 @@ prometheus:
       resources:
         ram: "1G"
       env:
-        QUERY_FLAGS: "--query.replica-label=monitor {% for h in groups['prometheus']|sort %} --store={{ h }}.prometheus.{{ domain }}:10901{% endfor %}"
+        QUERY_FLAGS: "--query.replica-label=monitor {% for h in groups['prometheus']|sort %} --endpoint={{ h }}.prometheus.{{ domain }}:10901{% endfor %}"
         SIDECAR_FLAGS: ""
         QUERY_FRONTEND_FLAGS: "--query-range.response-cache-config-file=/etc/thanos/query-frontend-cache.yml"
       volumes: