diff --git a/SMBLibrary/Enums/NTStatus.cs b/SMBLibrary/Enums/NTStatus.cs
index 0a544ed..113cd2f 100644
--- a/SMBLibrary/Enums/NTStatus.cs
+++ b/SMBLibrary/Enums/NTStatus.cs
@@ -36,6 +36,7 @@ namespace SMBLibrary
         STATUS_FILE_LOCK_CONFLICT = 0xC0000054,
         STATUS_LOCK_NOT_GRANTED = 0xC0000055,
         STATUS_DELETE_PENDING = 0xC0000056,
+        STATUS_IO_TIMEOUT = 0xC00000B5,
         STATUS_PRIVILEGE_NOT_HELD = 0xC0000061,
         STATUS_WRONG_PASSWORD = 0xC000006A,
         STATUS_LOGON_FAILURE = 0xC000006D, // Authentication failure.