diff --git a/boring/src/ssl/mod.rs b/boring/src/ssl/mod.rs
index 38cce1f9..f6223d5b 100644
--- a/boring/src/ssl/mod.rs
+++ b/boring/src/ssl/mod.rs
@@ -881,7 +881,7 @@ impl CompliancePolicy {
 ///
 /// [`SslContextBuilder::set_alpn_protos`]: struct.SslContextBuilder.html#method.set_alpn_protos
 #[corresponds(SSL_select_next_proto)]
-pub fn select_next_proto<'a>(server: &[u8], client: &'a [u8]) -> Option<&'a [u8]> {
+pub fn select_next_proto<'a>(server: &'a [u8], client: &'a [u8]) -> Option<&'a [u8]> {
     if server.is_empty() || client.is_empty() {
         return None;
     }