diff --git a/xls2ddl/json2ddl.py b/xls2ddl/json2ddl.py
index 0bd8a13..59437d5 100644
--- a/xls2ddl/json2ddl.py
+++ b/xls2ddl/json2ddl.py
@@ -47,6 +47,7 @@ def xls2ddl(xlsfile,dbtype):
 def model2ddl(folder,dbtype):
 	ddl_str = ''
 	for f in listFile(folder, suffixs=['json']):
+		print(f'-- {f}')
 		try:
 			ddl_str += f'\n-- {f}\n'
 			s = xls2ddl(f,dbtype)