--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -107,6 +107,7 @@ const char title_string[] =
 #ifdef HAVE_AEAD_CIPHER_MODES
     " [AEAD]"
 #endif
+    " [XOR]"
     " built on " __DATE__
 ;