diff --git a/src/lib.rs b/src/lib.rs
index bdceaf8..8ecec06 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@ use std::{
     io::{Error, Result},
     mem::MaybeUninit,
     os::{
-        fd::AsRawFd,
+        fd::{AsRawFd, RawFd},
         raw::{c_uint, c_ulong},
     },
     path::PathBuf,
@@ -98,3 +98,9 @@ impl PpsDevice {
         })
     }
 }
+
+impl AsRawFd for PpsDevice {
+    fn as_raw_fd(&self) -> RawFd {
+        self.0.as_raw_fd()
+    }
+}