diff --git a/frappe/modules/export_file.py b/frappe/modules/export_file.py
index 4b22c82105..781ec5b3c8 100644
--- a/frappe/modules/export_file.py
+++ b/frappe/modules/export_file.py
@@ -41,6 +41,10 @@ def write_document_file(doc, record_module=None, create_init=True, folder_name=N
 	else:
 		folder = create_folder(module, doc.doctype, doc.name, create_init)
 
+	# override modified_by in json file
+	if not newdoc.custom:
+		newdoc.modified_by = 'Administrator'
+	
 	# write the data file
 	fname = scrub(doc.name)
 	with open(os.path.join(folder, fname + ".json"), 'w+') as txtfile: