diff --git a/exosphere/program/source/smc/secmon_smc_aes.cpp b/exosphere/program/source/smc/secmon_smc_aes.cpp
index 1d5f51ded..84999fd72 100644
--- a/exosphere/program/source/smc/secmon_smc_aes.cpp
+++ b/exosphere/program/source/smc/secmon_smc_aes.cpp
@@ -161,6 +161,7 @@ namespace ams::secmon::smc {
         constexpr const u8 EsCommonKeySources[EsCommonKeyType_Count][AesKeySize] = {
             [EsCommonKeyType_TitleKey]   = { 0x1E, 0xDC, 0x7B, 0x3B, 0x60, 0xE6, 0xB4, 0xD8, 0x78, 0xB8, 0x17, 0x15, 0x98, 0x5E, 0x62, 0x9B },
             [EsCommonKeyType_ArchiveKey] = { 0x3B, 0x78, 0xF2, 0x61, 0x0F, 0x9D, 0x5A, 0xE2, 0x7B, 0x4E, 0x45, 0xAF, 0xCB, 0x0B, 0x67, 0x4D },
+            [EsCommonKeyType_Unknown2]   = { 0x42, 0x64, 0x0B, 0xE3, 0x5F, 0xC6, 0xBE, 0x47, 0xC7, 0xB4, 0x84, 0xC5, 0xEB, 0x63, 0xAA, 0x02 },
         };
 
         constexpr const u8 EsSealKeySource[AesKeySize] = {
diff --git a/exosphere/program/source/smc/secmon_smc_aes.hpp b/exosphere/program/source/smc/secmon_smc_aes.hpp
index 3a570b09a..ce0d8390f 100644
--- a/exosphere/program/source/smc/secmon_smc_aes.hpp
+++ b/exosphere/program/source/smc/secmon_smc_aes.hpp
@@ -22,6 +22,7 @@ namespace ams::secmon::smc {
     enum EsCommonKeyType {
         EsCommonKeyType_TitleKey   = 0,
         EsCommonKeyType_ArchiveKey = 1,
+        EsCommonKeyType_Unknown2   = 2,
 
         EsCommonKeyType_Count,
     };
diff --git a/exosphere/program/source/smc/secmon_smc_rsa.cpp b/exosphere/program/source/smc/secmon_smc_rsa.cpp
index 34982bb8a..b321d27a1 100644
--- a/exosphere/program/source/smc/secmon_smc_rsa.cpp
+++ b/exosphere/program/source/smc/secmon_smc_rsa.cpp
@@ -32,8 +32,8 @@ namespace ams::secmon::smc {
 
         struct PrepareEsDeviceUniqueKeyOption {
             using KeyGeneration = util::BitPack32::Field<0,  6, int>;
-            using Type          = util::BitPack32::Field<6,  1, EsCommonKeyType>;
-            using Reserved      = util::BitPack32::Field<7, 25, u32>;
+            using Type          = util::BitPack32::Field<6,  2, EsCommonKeyType>;
+            using Reserved      = util::BitPack32::Field<8, 25, u32>;
         };
 
         constexpr const u8 ModularExponentiateByStorageKeyTable[] = {
diff --git a/libraries/libstratosphere/include/stratosphere/spl/spl_types.hpp b/libraries/libstratosphere/include/stratosphere/spl/spl_types.hpp
index 08444261d..11c80ad48 100644
--- a/libraries/libstratosphere/include/stratosphere/spl/spl_types.hpp
+++ b/libraries/libstratosphere/include/stratosphere/spl/spl_types.hpp
@@ -98,6 +98,7 @@ namespace ams::spl {
         enum class EsDeviceUniqueKeyType {
             TitleKey   = 0,
             ArchiveKey = 1,
+            Unknown2   = 2,
         };
 
         struct AsyncOperationKey {
diff --git a/libraries/libstratosphere/source/spl/smc/spl_secure_monitor_api.os.generic.cpp b/libraries/libstratosphere/source/spl/smc/spl_secure_monitor_api.os.generic.cpp
index fead3970e..966912ad9 100644
--- a/libraries/libstratosphere/source/spl/smc/spl_secure_monitor_api.os.generic.cpp
+++ b/libraries/libstratosphere/source/spl/smc/spl_secure_monitor_api.os.generic.cpp
@@ -50,6 +50,7 @@ namespace ams::spl::smc {
         enum EsCommonKeyType {
             EsCommonKeyType_TitleKey   = 0,
             EsCommonKeyType_ArchiveKey = 1,
+            EsCommonKeyType_Unknown2   = 2,
 
             EsCommonKeyType_Count,
         };
@@ -86,6 +87,7 @@ namespace ams::spl::smc {
         constexpr const u8 EsCommonKeySources[EsCommonKeyType_Count][AesKeySize] = {
             [EsCommonKeyType_TitleKey]   = { 0x1E, 0xDC, 0x7B, 0x3B, 0x60, 0xE6, 0xB4, 0xD8, 0x78, 0xB8, 0x17, 0x15, 0x98, 0x5E, 0x62, 0x9B },
             [EsCommonKeyType_ArchiveKey] = { 0x3B, 0x78, 0xF2, 0x61, 0x0F, 0x9D, 0x5A, 0xE2, 0x7B, 0x4E, 0x45, 0xAF, 0xCB, 0x0B, 0x67, 0x4D },
+            [EsCommonKeyType_Unknown2]   = { 0x42, 0x64, 0x0B, 0xE3, 0x5F, 0xC6, 0xBE, 0x47, 0xC7, 0xB4, 0x84, 0xC5, 0xEB, 0x63, 0xAA, 0x02 },
         };
 
         constexpr u64 InvalidAsyncKey = 0;