diff --git a/api/apibasic/packet_interface.hpp b/api/apibasic/packet_interface.hpp
index 192f826..f315305 100644
--- a/api/apibasic/packet_interface.hpp
+++ b/api/apibasic/packet_interface.hpp
@@ -16,10 +16,10 @@ typedef struct {
 #pragma pack(pop)
 
 typedef enum {
-  kptv2_cmd       = 0,
-  kptv2_ack       = 1,
-  kptv2_error_ack = 2,
-  kptv2_event     = 3,
+  kptv2_cmd       = 0xA0,
+  kptv2_ack       = 0xA1,
+  kptv2_error_ack = 0xA2,
+  kptv2_event     = 0xA3,
 } zcan_cmd_packet_type_t;
 
 static inline bool zcr_cmd_checkpacket(const zcr_cmd_header_t* header, int len) {