diff --git a/salt/sensoroni/files/sensoroni.json b/salt/sensoroni/files/sensoroni.json
index 8d10323af..cc5be34ea 100644
--- a/salt/sensoroni/files/sensoroni.json
+++ b/salt/sensoroni/files/sensoroni.json
@@ -6,7 +6,7 @@
   "logFilename": "/opt/sensoroni/logs/sensoroni.log",
   "logLevel":"info",
   "agent": {
-    "role": "{{ grains.role }}"
+    "role": "{{ grains.role }}",
     "pollIntervalMs": {{ CHECKININTERVALMS if CHECKININTERVALMS else 10000 }},
     "serverUrl": "https://{{ URLBASE }}/sensoroniagents",
     "verifyCert": false,