diff --git a/configs/config.json b/configs/config.json
index 3384630..4c37917 100644
--- a/configs/config.json
+++ b/configs/config.json
@@ -1,20 +1,21 @@
 {
-    "addr":            "0.0.0.0:443",
+    "addr": "0.0.0.0:443",
     "ldap": {
-        "url":        "ldaps://test",
-        "user_base":   "ou=people,ou=hpc,dc=test,dc=de",
-        "search_dn":   "cn=hpcmonitoring,ou=roadm,ou=profile,ou=hpc,dc=test,dc=de",
-        "user_bind":   "uid={username},ou=people,ou=hpc,dc=test,dc=de",
+        "url": "ldaps://test",
+        "user_base": "ou=people,ou=hpc,dc=test,dc=de",
+        "search_dn": "cn=hpcmonitoring,ou=roadm,ou=profile,ou=hpc,dc=test,dc=de",
+        "user_bind": "uid={username},ou=people,ou=hpc,dc=test,dc=de",
         "user_filter": "(&(objectclass=posixAccount)(uid=*))"
     },
     "https-cert-file": "/etc/letsencrypt/live/url/fullchain.pem",
-    "https-key-file":  "/etc/letsencrypt/live/url/privkey.pem",
-    "user":            "clustercockpit",
-    "group":           "clustercockpit",
+    "https-key-file": "/etc/letsencrypt/live/url/privkey.pem",
+    "user": "clustercockpit",
+    "group": "clustercockpit",
     "archive": {
         "kind": "file",
         "path": "./var/job-archive"
     },
+    "validate": true,
     "clusters": [
         {
             "name": "test",
@@ -24,9 +25,18 @@
                 "token": "eyJhbGciOiJF-E-pQBQ"
             },
             "filterRanges": {
-                "numNodes": { "from": 1, "to": 64 },
-                "duration": { "from": 0, "to": 86400 },
-                "startTime": { "from": "2022-01-01T00:00:00Z", "to": null }
+                "numNodes": {
+                    "from": 1,
+                    "to": 64
+                },
+                "duration": {
+                    "from": 0,
+                    "to": 86400
+                },
+                "startTime": {
+                    "from": "2022-01-01T00:00:00Z",
+                    "to": null
+                }
             }
         }
     ]