diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90bc5ea0..fe8909a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@
 - TBD
 
 ## Other changes
-- TBD
+- [Indexer] Fixed fields types error on instance indexer_alert_config in schema.yml - [#1499](https://github.com/jertel/elastalert2/pull/1499) - @olehpalanskyi
 
 # 2.19.0
 
diff --git a/elastalert/schema.yaml b/elastalert/schema.yaml
index 5e88063b..dd781a7e 100644
--- a/elastalert/schema.yaml
+++ b/elastalert/schema.yaml
@@ -562,11 +562,16 @@ properties:
       "^.+$":
         oneOf:
           - type: [boolean, string, integer]
+          - type: array
+            items:
+                type: object
+                properties:
+                  name: { type: string , minLength: 1 }
+                  value: { type: [boolean, string, integer] , minLength: 1 }
+                  "^.+$": { type: [boolean, string, integer], minLength: 1 }
           - type: object
-            additionalProperties: false
-            required: [ field ]
             properties:
-              field: { type: [boolean, string, integer], minLength: 1 }
+              "^.+$": { type: [boolean, string, integer], minLength: 1 }
 
   ### IRIS
   iris_host: {type: string}