diff --git a/ch32v/ch32v203-lora/Makefile b/ch32v/ch32v203-lora/Makefile
index 62748fa..8ed9765 100644
--- a/ch32v/ch32v203-lora/Makefile
+++ b/ch32v/ch32v203-lora/Makefile
@@ -2,6 +2,7 @@ all : flash
 
 TARGET:=loratest
 TARGET_MCU:=CH32V203
+TARGET_MCU_PACKAGE:=C8
 CH32V003FUN:=../ch32v003fun/ch32v003fun
 
 EXTRA_ELF_DEPENDENCIES:=chirpbuff.h