diff --git a/proxmox-sys/src/linux/pty.rs b/proxmox-sys/src/linux/pty.rs
index a8e8008f..35f19bce 100644
--- a/proxmox-sys/src/linux/pty.rs
+++ b/proxmox-sys/src/linux/pty.rs
@@ -2,7 +2,7 @@
 //!
 //! see [PTY](struct.PTY.html) for an example on how to use it
 
-use std::os::unix::io::{AsRawFd, RawFd};
+use std::os::unix::io::{AsFd, AsRawFd, BorrowedFd, RawFd};
 
 use nix::fcntl::OFlag;
 use nix::pty::{grantpt, posix_openpt, ptsname_r, unlockpt, PtyMaster};
@@ -125,3 +125,9 @@ impl AsRawFd for PTY {
         self.primary.as_raw_fd()
     }
 }
+
+impl AsFd for PTY {
+    fn as_fd(&self) -> BorrowedFd<'_> {
+        unsafe { BorrowedFd::borrow_raw(self.as_raw_fd()) }
+    }
+}