diff --git a/docs/metrics/prometheus/grafana/minio-dashboard.json b/docs/metrics/prometheus/grafana/minio-dashboard.json
index 9463b4e04..9904f4af9 100644
--- a/docs/metrics/prometheus/grafana/minio-dashboard.json
+++ b/docs/metrics/prometheus/grafana/minio-dashboard.json
@@ -564,7 +564,7 @@
       "targets": [
         {
           "exemplar": true,
-          "expr": "max by (range) (minio_bucket_objects_size_distribution{job=\"$scrape_jobs\"})",
+          "expr": "max by (range) (sum (minio_bucket_objects_size_distribution{job=\"$scrape_jobs\"}) by (range))",
           "format": "time_series",
           "instant": false,
           "interval": "",
diff --git a/docs/metrics/prometheus/grafana/minio-replication.json b/docs/metrics/prometheus/grafana/minio-replication.json
index a52150a5e..ab6ff127d 100644
--- a/docs/metrics/prometheus/grafana/minio-replication.json
+++ b/docs/metrics/prometheus/grafana/minio-replication.json
@@ -438,7 +438,7 @@
         "targets": [
           {
             "exemplar": true,
-            "expr": "max by (range) (minio_bucket_objects_size_distribution{job=\"$scrape_jobs\"})",
+            "expr": "max by (range) (sum (minio_bucket_objects_size_distribution{job=\"$scrape_jobs\"}) by (range))",
             "format": "time_series",
             "instant": false,
             "interval": "",