diff --git a/script/network/net_client.lua b/script/network/net_client.lua
index b4596625..1472ab15 100644
--- a/script/network/net_client.lua
+++ b/script/network/net_client.lua
@@ -9,7 +9,7 @@ local b64_encode        = crypt.b64_encode
 local b64_decode        = crypt.b64_decode
 local lz4_encode        = crypt.lz4_encode
 local lz4_decode        = crypt.lz4_decode
-local lcrc8             = crypt.crc8
+local lcrc8             = codec.crc8
 
 local event_mgr         = quanta.get("event_mgr")
 local socket_mgr        = quanta.get("socket_mgr")