diff --git a/src/port/win32stat.c b/src/port/win32stat.c
index d4315c44f4d..9051c713e7b 100644
--- a/src/port/win32stat.c
+++ b/src/port/win32stat.c
@@ -204,8 +204,10 @@ _pgstat64(const char *name, struct stat *buf)
 					   NULL);
 	if (hFile == INVALID_HANDLE_VALUE)
 	{
+		DWORD		err = GetLastError();
+
 		CloseHandle(hFile);
-		errno = ENOENT;
+		_dosmaperr(err);
 		return -1;
 	}