diff --git a/src/libstd/rtdeps.rs b/src/libstd/rtdeps.rs
index f9f2f1ec852a0..65824b8f79f83 100644
--- a/src/libstd/rtdeps.rs
+++ b/src/libstd/rtdeps.rs
@@ -38,6 +38,7 @@ extern {}
 #[cfg(target_os = "freebsd")]
 #[link(name = "execinfo")]
 #[link(name = "pthread")]
+#[link(name = "m")]
 extern {}
 
 #[cfg(target_os = "macos")]