diff --git a/frappe/modules/utils.py b/frappe/modules/utils.py
index b06297023e..528ca6e88b 100644
--- a/frappe/modules/utils.py
+++ b/frappe/modules/utils.py
@@ -119,7 +119,7 @@ def sync_customizations_for_doctype(data, folder):
 					custom_doctype, doctype_fieldname), doc_type)
 
 				for d in data[key]:
-					_insert(data)
+					_insert(d)
 
 			else:
 				for d in data[key]: