diff --git a/src/self_update.rs b/src/self_update.rs
index 7ee17379..db706ce8 100644
--- a/src/self_update.rs
+++ b/src/self_update.rs
@@ -1,6 +1,7 @@
 use super::terminal::Terminal;
 use failure::Error;
 use self_update_crate;
+#[cfg(unix)]
 use std::env;
 #[cfg(unix)]
 use std::os::unix::process::CommandExt;