diff --git a/x-pack/plugins/ingest_manager/common/types/models/datasource.ts b/x-pack/plugins/ingest_manager/common/types/models/datasource.ts
index 3ad7a15d0c739..c6a2e0252492b 100644
--- a/x-pack/plugins/ingest_manager/common/types/models/datasource.ts
+++ b/x-pack/plugins/ingest_manager/common/types/models/datasource.ts
@@ -19,7 +19,7 @@ export interface DatasourceInputStream {
     string,
     {
       type?: string;
-      value: any;
+      value?: any;
     }
   >;
 }
diff --git a/x-pack/plugins/ingest_manager/server/types/models/datasource.ts b/x-pack/plugins/ingest_manager/server/types/models/datasource.ts
index 51687016f6aad..933453e0a5b36 100644
--- a/x-pack/plugins/ingest_manager/server/types/models/datasource.ts
+++ b/x-pack/plugins/ingest_manager/server/types/models/datasource.ts
@@ -35,7 +35,7 @@ const DatasourceBaseSchema = {
             schema.string(),
             schema.object({
               type: schema.maybe(schema.string()),
-              value: schema.any(),
+              value: schema.maybe(schema.any()),
             })
           ),
         })