diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 3e2b156..483e386 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -2469,7 +2469,7 @@
   }
 }
 
-uint16_t ssl3_version_from_wire(SSL *ssl, uint16_t wire_version) {
+uint16_t ssl3_version_from_wire(const SSL *ssl, uint16_t wire_version) {
   if (!SSL_IS_DTLS(ssl)) {
     return wire_version;
   }
@@ -2490,6 +2490,11 @@
   return version;
 }
 
+uint16_t ssl3_protocol_version(const SSL *ssl) {
+  assert(ssl->s3->have_version);
+  return ssl3_version_from_wire(ssl, ssl->version);
+}
+
 int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); }
 
 int SSL_is_server(SSL *ssl) { return ssl->server; }