diff --git a/libc-test/build.rs b/libc-test/build.rs
index 02e769ea80181..af7e3b2c0ae7d 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -1454,7 +1454,7 @@ fn test_freebsd(target: &str) {
         Some(11) => cfg.cfg("freebsd11", None),
         Some(12) => cfg.cfg("freebsd12", None),
         Some(13) => cfg.cfg("freebsd13", None),
-        _ => &mut cfg
+        _ => &mut cfg,
     };
 
     // Required for `getline`: