diff --git a/Utilities/File.cpp b/Utilities/File.cpp
index e8fb333c09..daf6907860 100644
--- a/Utilities/File.cpp
+++ b/Utilities/File.cpp
@@ -1099,13 +1099,22 @@ fs::file::file(const std::string& path, bs_t<open_mode> mode)
 
 	if (mode & fs::append) flags |= O_APPEND;
 	if (mode & fs::create) flags |= O_CREAT;
-	if (mode & fs::trunc && !(mode & (fs::lock + fs::unread))) flags |= O_TRUNC;
+	if (mode & fs::trunc && !(mode & fs::lock)) flags |= O_TRUNC;
 	if (mode & fs::excl) flags |= O_EXCL;
 
 	int perm = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
 
 	if (mode & fs::write && mode & fs::unread)
 	{
+		if (!(mode & (fs::excl + fs::lock)) && mode & fs::trunc)
+		{
+			// Alternative to truncation for "unread" flag (TODO)
+			if (mode & fs::create)
+			{
+				::unlink(path.c_str());
+			}
+		}
+
 		perm = 0;
 	}
 
@@ -1117,14 +1126,14 @@ fs::file::file(const std::string& path, bs_t<open_mode> mode)
 		return;
 	}
 
-	if (mode & fs::write && mode & (fs::lock + fs::unread) && ::flock(fd, LOCK_EX | LOCK_NB) != 0)
+	if (mode & fs::write && mode & fs::lock && ::flock(fd, LOCK_EX | LOCK_NB) != 0)
 	{
 		g_tls_error = errno == EWOULDBLOCK ? fs::error::acces : to_error(errno);
 		::close(fd);
 		return;
 	}
 
-	if (mode & fs::trunc && mode & (fs::lock + fs::unread) && mode & fs::write)
+	if (mode & fs::trunc && mode & fs::lock && mode & fs::write)
 	{
 		// Postpone truncation in order to avoid using O_TRUNC on a locked file
 		ensure(::ftruncate(fd, 0) == 0);