diff --git a/source/utl_upgrade.py b/source/utl_upgrade.py
index d20bb90..3743405 100644
--- a/source/utl_upgrade.py
+++ b/source/utl_upgrade.py
@@ -158,15 +158,15 @@ def build_header_new(config: dict):
     m_file_header[8:10] = config['prod_type']
     m_file_header[10:22] = config['prog_id'] + [0] * (12 - len(config['prog_id']))
     if config['method_compress'] == True:
-        m_file_header[22] = 0x01
+        m_file_header[23] = 0x01
     else:
-        m_file_header[22] = 0x00
+        m_file_header[23] = 0x00
 
     if 'crc32' in config.keys():
-        m_file_header[23] = 0x00
+        m_file_header[22] = 0x00
         m_file_header[24: 40] = config['crc32'] + [0x00] * 12
     elif 'md5' in config.keys():
-        m_file_header[23] = 0x01
+        m_file_header[22] = 0x01
         m_file_header[24: 40] = config['md5']
     else:
         raise Exception("Error, Unknown method verify.")
@@ -212,7 +212,7 @@ def build_header_new(config: dict):
 
     calculator = Calculator(Crc16.MODBUS)
     code_crc16 = calculator.checksum(m_file_header[:-2])
-    m_file_header[182: 184] = [code_crc16 % 0x100, code_crc16 // 0x100]
+    m_file_header[182: 184] = [code_crc16 // 0x100, code_crc16 % 0x100]
 
     return m_file_header