diff --git a/metrics/testnet-monitor.json b/metrics/testnet-monitor.json
index 6603802827..f0604c08a0 100644
--- a/metrics/testnet-monitor.json
+++ b/metrics/testnet-monitor.json
@@ -1921,7 +1921,8 @@
           "logBase": 1,
           "max": null,
           "min": null,
-          "show": true
+          "show": true,
+          "decimals": 1
         },
         {
           "format": "short",