diff --git a/src/lib/sys/redox.rs b/src/lib/sys/redox.rs
index 9d288911eeca9f0c0117a7ae1e70e6b96599e2ea..2a51b20aca2486d9fc627ec298ca059b50166fec 100644
--- a/src/lib/sys/redox.rs
+++ b/src/lib/sys/redox.rs
@@ -5,6 +5,7 @@ use std::env;
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::RawFd;
 use std::path::PathBuf;
+use std::process::exit;
 
 use syscall::SigAction;