diff --git a/src/lib.rs b/src/lib.rs
index 6d5cc2d208..7c9f060b59 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,6 +16,7 @@ pub extern crate locale;
 pub extern crate netinet;
 pub extern crate semaphore;
 pub extern crate setjmp;
+pub extern crate signal;
 pub extern crate stdio;
 pub extern crate stdlib;
 pub extern crate string;