diff --git a/ssl/handshake_server.cc b/ssl/handshake_server.cc
index 06d9025..1a25ea7 100644
--- a/ssl/handshake_server.cc
+++ b/ssl/handshake_server.cc
@@ -228,8 +228,7 @@
       } else if (client_hello->version <= DTLS1_VERSION) {
         versions_len = 2;
       }
-      CBS_init(&versions, kDTLSVersions + sizeof(kDTLSVersions) - versions_len,
-               versions_len);
+      versions = MakeConstSpan(kDTLSVersions).last(versions_len);
     } else {
       if (client_hello->version >= TLS1_2_VERSION) {
         versions_len = 6;
@@ -238,8 +237,7 @@
       } else if (client_hello->version >= TLS1_VERSION) {
         versions_len = 2;
       }
-      CBS_init(&versions, kTLSVersions + sizeof(kTLSVersions) - versions_len,
-               versions_len);
+      versions = MakeConstSpan(kTLSVersions).last(versions_len);
     }
   }