diff --git a/libc-test/build.rs b/libc-test/build.rs
index 73ac02decb85f7ba8153765c46a5e39298245343..d6982fc9525d8ba547d16669950dbf2972172704 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -1646,6 +1646,9 @@ fn test_freebsd(target: &str) {
             // `mmsghdr` is not available in FreeBSD 10
             "mmsghdr" if Some(10) == freebsd_ver => true,
 
+            // `max_align_t` is not available in FreeBSD 10
+            "max_align_t" if Some(10) == freebsd_ver => true,
+
             _ => false,
         }
     });