diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index db7ed6b1c7..60c66ad20c 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -33046,10 +33046,7 @@
             "description": "Comma-separated list of node IDs or names used to limit returned information.",
             "deprecated": false,
             "schema": {
-              "type": "array",
-              "items": {
-                "type": "string"
-              }
+              "$ref": "#/components/schemas/_types:NodeIds"
             },
             "style": "form"
           },
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 4df197a8b1..7395844be7 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -205969,13 +205969,10 @@
           "name": "nodes",
           "required": false,
           "type": {
-            "kind": "array_of",
-            "value": {
-              "kind": "instance_of",
-              "type": {
-                "name": "string",
-                "namespace": "_builtins"
-              }
+            "kind": "instance_of",
+            "type": {
+              "name": "NodeIds",
+              "namespace": "_types"
             }
           }
         },
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 35726a65d1..4e1be9944d 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -19562,7 +19562,7 @@ export interface TasksListRequest extends RequestBase {
   actions?: string | string[]
   detailed?: boolean
   group_by?: TasksGroupBy
-  nodes?: string[]
+  nodes?: NodeIds
   parent_task_id?: Id
   master_timeout?: Duration
   timeout?: Duration
diff --git a/specification/tasks/list/ListTasksRequest.ts b/specification/tasks/list/ListTasksRequest.ts
index 8a745ad620..00ba85ef35 100644
--- a/specification/tasks/list/ListTasksRequest.ts
+++ b/specification/tasks/list/ListTasksRequest.ts
@@ -19,7 +19,7 @@
 
 import { GroupBy } from '@tasks/_types/GroupBy'
 import { RequestBase } from '@_types/Base'
-import { Id } from '@_types/common'
+import { Id, NodeIds } from '@_types/common'
 import { Duration } from '@_types/Time'
 
 /**
@@ -48,7 +48,7 @@ export interface Request extends RequestBase {
     /**
      * Comma-separated list of node IDs or names used to limit returned information.
      */
-    nodes?: string[]
+    nodes?: NodeIds
     /**
      * Parent task ID used to limit returned information. To return all tasks, omit this parameter or use a value of `-1`.
      */