diff --git a/HomeLab/truenas-scale-disk-insight.json b/HomeLab/truenas-scale-disk-insight.json
index 75e7d1a..eca9b44 100644
--- a/HomeLab/truenas-scale-disk-insight.json
+++ b/HomeLab/truenas-scale-disk-insight.json
@@ -787,9 +787,9 @@
               "uid": "ff1qkncht70n4c"
             },
             "editorMode": "code",
-            "expr": "(1000 * disk_busy{instance=~\"$instance\", disk=~\"$disk\"}) / clamp_min(sum by (disk) (disk_io_ops{instance=~\"$instance\", disk=~\"$disk\"}), 0.001)",
+            "expr": "((1000 * sum by (disk) (disk_busy{instance=~\"$instance\", disk=~\"$disk\"})) / clamp_min(sum by (disk) (disk_io_ops{instance=~\"$instance\", disk=~\"$disk\"}), 0.001)) or on (disk) (0 * sum by (disk) (disk_busy{instance=~\"$instance\", disk=~\"$disk\"}))",
             "instant": false,
-            "legendFormat": "{{op}}",
+            "legendFormat": "{{disk}}",
             "range": true,
             "refId": "A"
           }