diff --git a/etc/grafana/dashboards/overview.json b/etc/grafana/dashboards/overview.json
index 8c77f5979..25cc280fe 100644
--- a/etc/grafana/dashboards/overview.json
+++ b/etc/grafana/dashboards/overview.json
@@ -1953,6 +1953,7 @@
               "mode": "off"
             }
           },
+          "decimals": 4,
           "mappings": [],
           "thresholds": {
             "mode": "absolute",