diff --git a/src/ctrl/nlas/mod.rs b/src/ctrl/nlas/mod.rs
index 2a2c914..21081cc 100644
--- a/src/ctrl/nlas/mod.rs
+++ b/src/ctrl/nlas/mod.rs
@@ -166,6 +166,7 @@ impl<'a, T: AsRef<[u8]> + ?Sized> Parseable<NlaBuffer<&'a T>>
     }
 }
 
+#[cfg(target_endian = "little")]
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/tests/query_family_id.rs b/tests/query_family_id.rs
index eef5749..9101318 100644
--- a/tests/query_family_id.rs
+++ b/tests/query_family_id.rs
@@ -7,6 +7,7 @@ use netlink_packet_generic::{
 };
 use netlink_sys::{protocols::NETLINK_GENERIC, Socket, SocketAddr};
 
+#[cfg(not(target_arch = "s390x"))]
 #[test]
 fn query_family_id() {
     let mut socket = Socket::new(NETLINK_GENERIC).unwrap();