1 files changed, 4 insertions, 1 deletions
diff --git a/src/util.rs b/src/util.rs
index c18a263..4e996e8 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -11,7 +11,10 @@ pub trait ToIOResult<T> {
 
 impl<T> ToIOResult<T> for nix::Result<T> {
 	fn to_io_result(self) -> Result<T> {
-		self.map_err(|error| Error::new(ErrorKind::Other, error))
+		self.map_err(|error| match error {
+			nix::Error::Sys(code) => Error::from_raw_os_error(code as i32),
+			_ => Error::new(ErrorKind::Other, error),
+		})
 	}
 }