diff --git a/src/kelf.h b/src/kelf.h
index 2585d1a..cabf9ed 100644
--- a/src/kelf.h
+++ b/src/kelf.h
@@ -44,6 +44,8 @@ static uint8_t USER_HEADER_FHDB[16] = {0x01, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00,
 static uint8_t USER_HEADER_MBR[16]  = {0x01, 0x00, 0x00, 0x04, 0x00, 0x02, 0x01, 0x57, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2A};
 static uint8_t USER_HEADER_DNASLOAD[16]  = {0x01, 0x00, 0x00, 0x04, 0x00, 0x06, 0x00, 0x4A, 0x00, 0x0E, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02};
 
+static uint8_t USER_HEADER_NAMCO_SECURITY_DONGLE_BOOTFILE[16]  = {0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00};
+
 static uint8_t USER_Kbit_MBR[16]  = {0x6f, 0x6f, 0x40, 0x07, 0x59, 0x23, 0x2a, 0x48, 0x03, 0x45, 0xf6, 0xee, 0x9f, 0x24, 0xfe, 0xf1};
 static uint8_t USER_Kbit_FHDB[16] = {0xcc, 0x3a, 0x5a, 0x4e, 0x5c, 0x7f, 0x7c, 0x23, 0xb7, 0x5e, 0x9b, 0xf6, 0xa0, 0x44, 0x4e, 0x05};
 static uint8_t USER_Kbit_FMCB[16] = {0x24, 0x25, 0x1D, 0x05, 0xd1, 0x5e, 0x2d, 0x7d, 0x94, 0x3f, 0x4a, 0x30, 0x3f, 0x28, 0x24, 0xdb};