diff --git a/apps/base/matrix/database.yaml b/apps/base/matrix/database.yaml
index 87c4532fe4bf3c48b88dc2db123dbc004f61260f..6548f8486357bb9cd589ffe5391243d966d0e9c2 100644
--- a/apps/base/matrix/database.yaml
+++ b/apps/base/matrix/database.yaml
@@ -51,6 +51,8 @@ spec:
         value: "$(POSTGRES_PASSWORD)"
       - name: "PG_EXPORTER_AUTO_DISCOVER_DATABASES"
         value: "true"
+      - name: PG_EXPORTER_CONSTANT_LABELS
+        value: 'release=$(CLUSTER_NAME),namespace=$(POD_NAMESPACE)'
 ---
 apiVersion: monitoring.coreos.com/v1
 kind: PodMonitor