diff --git a/salt/grafana/templates/disk.json b/salt/grafana/templates/disk.json
index 510eb2930..473f52da4 100644
--- a/salt/grafana/templates/disk.json
+++ b/salt/grafana/templates/disk.json
@@ -5,7 +5,7 @@
     "text": "All",
     "value": "$__all"
   },
-  "datasource": "$InfluxDB",
+  "datasource": "InfluxDB",
   "definition": "",
   "description": null,
   "error": null,