diff --git a/client/src/cmdhfmfu.c b/client/src/cmdhfmfu.c
index a6be877e6..ad614e897 100644
--- a/client/src/cmdhfmfu.c
+++ b/client/src/cmdhfmfu.c
@@ -82,6 +82,7 @@ static uint8_t default_3des_keys[][16] = {
 static uint8_t default_pwd_pack[][4] = {
     {0xFF, 0xFF, 0xFF, 0xFF}, // PACK 0x00,0x00 -- factory default
     {0x4E, 0x45, 0x78, 0x54}, // NExT
+    {0xB6, 0xAA, 0x55, 0x8D}, // copykey
 };
 
 static uint64_t UL_TYPES_ARRAY[] = {