diff --git a/docs/metrics/prometheus/grafana/minio-overview.json b/docs/metrics/prometheus/grafana/minio-overview.json
index 8886af514..546520ab2 100644
--- a/docs/metrics/prometheus/grafana/minio-overview.json
+++ b/docs/metrics/prometheus/grafana/minio-overview.json
@@ -1806,7 +1806,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
diff --git a/docs/metrics/prometheus/grafana/minio-replication.json b/docs/metrics/prometheus/grafana/minio-replication.json
index 11fa7ee8e..af0d4024e 100644
--- a/docs/metrics/prometheus/grafana/minio-replication.json
+++ b/docs/metrics/prometheus/grafana/minio-replication.json
@@ -1968,7 +1968,7 @@
         "bars": false,
         "dashLength": 10,
         "dashes": false,
-        "datasource": null,
+        "datasource": "${DS_PROMETHEUS}",
         "fill": 1,
         "fillGradient": 0,
         "gridPos": {