diff --git a/apps/api/src/app/upload/usecases/make-upload-entry/make-upload-entry.usecase.ts b/apps/api/src/app/upload/usecases/make-upload-entry/make-upload-entry.usecase.ts
index a4f5f7614..ba3b93d4d 100644
--- a/apps/api/src/app/upload/usecases/make-upload-entry/make-upload-entry.usecase.ts
+++ b/apps/api/src/app/upload/usecases/make-upload-entry/make-upload-entry.usecase.ts
@@ -115,8 +115,8 @@ export class MakeUploadEntry {
         },
         'chunkFormat recordFormat'
       );
-      customChunkFormat = defaultCustomization.chunkFormat;
-      customRecordFormat = defaultCustomization.recordFormat;
+      customChunkFormat = defaultCustomization?.chunkFormat;
+      customRecordFormat = defaultCustomization?.recordFormat;
     }
 
     const fileService = new CSVFileService2();