diff --git a/Source/Core/Core/IOS/Device.h b/Source/Core/Core/IOS/Device.h
index 13aa85a316..3bf9daf199 100644
--- a/Source/Core/Core/IOS/Device.h
+++ b/Source/Core/Core/IOS/Device.h
@@ -19,38 +19,39 @@ namespace HLE
 {
 enum ReturnCode : s32
 {
-  IPC_SUCCESS = 0,          // Success
-  IPC_EACCES = -1,          // Permission denied
-  IPC_EEXIST = -2,          // File exists
-  IPC_EINVAL = -4,          // Invalid argument or fd
-  IPC_EMAX = -5,            // Too many file descriptors open
-  IPC_ENOENT = -6,          // File not found
-  IPC_EQUEUEFULL = -8,      // Queue full
-  IPC_EIO = -12,            // ECC error
-  IPC_ENOMEM = -22,         // Alloc failed during request
-  FS_EINVAL = -101,         // Invalid path
-  FS_EACCESS = -102,        // Permission denied
-  FS_ECORRUPT = -103,       // Corrupted NAND
-  FS_EEXIST = -105,         // File exists
-  FS_ENOENT = -106,         // No such file or directory
-  FS_ENFILE = -107,         // Too many fds open
-  FS_EFBIG = -108,          // Max block count reached?
-  FS_EFDEXHAUSTED = -109,   // Too many fds open
-  FS_ENAMELEN = -110,       // Pathname is too long
-  FS_EFDOPEN = -111,        // FD is already open
-  FS_EIO = -114,            // ECC error
-  FS_ENOTEMPTY = -115,      // Directory not empty
-  FS_EDIRDEPTH = -116,      // Max directory depth exceeded
-  FS_EBUSY = -118,          // Resource busy
-  ES_SHORT_READ = -1009,    // Short read
-  ES_EIO = -1010,           // Write failure
+  IPC_SUCCESS = 0,         // Success
+  IPC_EACCES = -1,         // Permission denied
+  IPC_EEXIST = -2,         // File exists
+  IPC_EINVAL = -4,         // Invalid argument or fd
+  IPC_EMAX = -5,           // Too many file descriptors open
+  IPC_ENOENT = -6,         // File not found
+  IPC_EQUEUEFULL = -8,     // Queue full
+  IPC_EIO = -12,           // ECC error
+  IPC_ENOMEM = -22,        // Alloc failed during request
+  FS_EINVAL = -101,        // Invalid path
+  FS_EACCESS = -102,       // Permission denied
+  FS_ECORRUPT = -103,      // Corrupted NAND
+  FS_EEXIST = -105,        // File exists
+  FS_ENOENT = -106,        // No such file or directory
+  FS_ENFILE = -107,        // Too many fds open
+  FS_EFBIG = -108,         // Max block count reached?
+  FS_EFDEXHAUSTED = -109,  // Too many fds open
+  FS_ENAMELEN = -110,      // Pathname is too long
+  FS_EFDOPEN = -111,       // FD is already open
+  FS_EIO = -114,           // ECC error
+  FS_ENOTEMPTY = -115,     // Directory not empty
+  FS_EDIRDEPTH = -116,     // Max directory depth exceeded
+  FS_EBUSY = -118,         // Resource busy
+  ES_SHORT_READ = -1009,   // Short read
+  ES_EIO = -1010,          // Write failure
+  ES_INVALID_SIGNATURE_TYPE = -1012,
   ES_FD_EXHAUSTED = -1016,  // Max of 3 ES handles exceeded
   ES_EINVAL = -1017,        // Invalid argument
   ES_DEVICE_ID_MISMATCH = -1018,
   ES_HASH_MISMATCH = -1022,  // Decrypted content hash doesn't match with the hash from the TMD
   ES_ENOMEM = -1024,         // Alloc failed during request
   ES_EACCES = -1026,         // Incorrect access rights (according to TMD)
-  ES_INVALID_TMD_SIGNATURE_TYPE = -1027,
+  ES_UNKNOWN_ISSUER = -1027,
   ES_NO_TICKET = -1028,
   ES_INVALID_TICKET = -1029,
   IOSC_EACCES = -2000,