diff --git a/salt/grafana/panels/monitor_traffic_graph.json.jinja b/salt/grafana/panels/monitor_traffic_graph.json.jinja
index cac330c43..b446f9a74 100644
--- a/salt/grafana/panels/monitor_traffic_graph.json.jinja
+++ b/salt/grafana/panels/monitor_traffic_graph.json.jinja
@@ -6,7 +6,7 @@
   },
   "bars": false,
   "maxDataPoints": 750,
-  "interval": "30s"
+  "interval": "30s",
   "dashLength": 10,
   "dashes": false,
   "datasource": "InfluxDB",