diff --git a/x-pack/plugins/file_upload/server/schemas.ts b/x-pack/plugins/file_upload/server/schemas.ts
index e5eda5d5ea7065..79db26cdb8c05b 100644
--- a/x-pack/plugins/file_upload/server/schemas.ts
+++ b/x-pack/plugins/file_upload/server/schemas.ts
@@ -18,7 +18,7 @@ export const importFileBodySchema = schema.object({
   mappings: schema.any(),
   /** Ingest pipeline definition */
   ingestPipeline: schema.object({
-    id: schema.string(),
-    pipeline: schema.any(),
+    id: schema.maybe(schema.string()),
+    pipeline: schema.maybe(schema.any()),
   }),
 });