diff --git a/src/comp/back/rpath.rs b/src/comp/back/rpath.rs
index 6c542a8a1a47..2e9ac8772549 100644
--- a/src/comp/back/rpath.rs
+++ b/src/comp/back/rpath.rs
@@ -183,6 +183,7 @@ fn minimize_rpaths(rpaths: [str]) -> [str] {
 
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
+#[cfg(test)]
 mod test {
     #[test]
     fn test_rpaths_to_flags() {