diff --git a/core/sys/windows/winerror.odin b/core/sys/windows/winerror.odin
index 05ab3d028..fee04fdc4 100644
--- a/core/sys/windows/winerror.odin
+++ b/core/sys/windows/winerror.odin
@@ -225,6 +225,7 @@ ERROR_ENVVAR_NOT_FOUND       : DWORD : 203
 ERROR_OPERATION_ABORTED      : DWORD : 995
 ERROR_IO_PENDING             : DWORD : 997
 ERROR_NO_UNICODE_TRANSLATION : DWORD : 1113
+ERROR_NOT_FOUND              : DWORD : 1168
 ERROR_TIMEOUT                : DWORD : 1460
 ERROR_DATATYPE_MISMATCH      : DWORD : 1629
 ERROR_UNSUPPORTED_TYPE       : DWORD : 1630